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National Science Day 2022: Speech and essay ideas to mark the discovery of the Raman effect by Sir C. V. Raman

National Science Day is celebrated annually in India on this day to mark the discovery of the Raman effect by Indian physicist Sir C. V. Raman on 28 February 1928. This year, the theme of National Science Day is Integrated Approach in S&T for Sustainable Future.

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National Science Day 2022: Speech and essay ideas to mark the discovery of the Raman effect by Sir C. V. Raman

National Science Day is celebrated annually in India on this day to mark the discovery of the Raman effect by Indian physicist Sir C. V. Raman on 28 February 1928. For his discovery, Sir C.V. Raman was awarded the Nobel Prize in Physics in 1930. It is celebrated to spread a message about the relevance of science in everyday living. It is observed by discussing various concerns and implementing new technology for scientific advancement.

This year, the theme of National Science Day is Integrated Approach in S&T for Sustainable Future.

On National Science Day, here are easy speech and essay ideas for students.

  1. Good Morning,

Honourable guests and my dear friends, I am extremely honoured to speak before this honourable gathering about the ‘National Science Day’.

Every year on February 28 we celebrate this day to mark the invention of the ‘Raman Effect’. However, do you know what it is and why the government have dedicated a day? Raman Effect also known as Raman scattering was an important discovery in the field of scattering of light. The discovery states that when the light traverses through a transparent object some of it gets dispersed and the dispersed light changes its wavelength and amplitude, though slightly. He was also awarded Nobel Prize in 1930 in Physics for this important discovery.

National Science Day promotes science and technology and its feasibility in our daily life. It also encourages scientists, writers, students, and others who are involved in the promotion of science and technology. The day must be observed with the same diligence every year. It should not be limited only to the science fraternity but also must have participants from various walks of life.


2. India celebrates National Science Day on 28th February to commemorate the discovery of the ‘Raman Effect’ by a great Indian scientist Dr. Chandrasekhar Venkata Raman or C.V. Raman. He had invented the Raman Effect on 28th February 1928.

Raman Effect was an important discovery in the field of scattering of light. The discovery states that when the light traverses through a transparent object some of it gets dispersed and the dispersed light changes its wavelength and amplitude, though slightly. The discovery was made by Sir C.V. Raman on 26th February 1928. He was also awarded the 1930 Nobel Prize in Physics for this important discovery. It is to commemorate Sir C.V. Raman and his discovery, the ‘Raman Effect’ that we celebrate National Science Day.

The first National Science Day was celebrated in 1987. Nearly six decades after Sir C.V. Raman made the important discovery, the National Council for Science and Technology Communication (NCSTC), requested the government in 1986, to designate February 28th as the National Science Day. Hence, beginning from 1987, National Science Day is observed every year in Indian schools, colleges, universities, and other relevant places.

One of the main events of the day includes ‘National Science Popularization Awards’ handed over to the people and also institutions for outstanding contribution in the field of science or for the popularization of science and communication. Several activities like debates, talk shows, science exhibitions, etc. are held to celebrate National Science Day.


3. It is a great pleasure to talk on this day – the National Science Day.

National Science Day is celebrated in India every year on the 28th of February. But why do we celebrate this day? What is the aim of it? This day commemorates the invention of the Raman Effect by the great Indian physicist, Sir Chandrasekhara Venkata Raman. It was on this same day that Sir Raman made to the world his greatest invention, the Raman Effect, in the year 1928. He was awarded and honored in the year 1930 with the Nobel Prize in Physics for his great success in the field of science in India.

On this day, we show our dignity and respect to the famous Indian physicist to mark his discovery of the Raman Effect. CV Raman was born on the 7th of November 1888 at Tiruchirappalli, Tamil Nadu. His father was a lecturer in Physics and Maths. Raman was the first person to research such an invention in India. He worked from 1907 to 1933 in Kolkata at the Indian Association for the Cultivation of Science, doing research on so many topics in Physics, of which the Raman Effect became his great success. His discovery marked a notable achievement in Indian history.

So, what is Raman Effect? It is the effect of the scattering of light when passing through different materials.

The day is celebrated as a science carnival, recognizing the scientific activities and programs in the country through the participation of students from schools and colleges, along with scientists from the state and national faculties. These events organized during this National Science Day celebration provides a platform for various newcomers/scientists to start their career in the field of science.

The main objectives of celebrating this National Science Day is to bring awareness to people about the importance of scientific applications in their daily life and to encourage them by popularizing Science and Technology. It allows the scientists and experts from the field to discuss issues and new technologies trending in the field. Also, the celebration is aimed at giving an opportunity for a younger generation to display their activities, efforts, and achievements in the field of science for human welfare.

Read Also: National Science Day 2022: Theme, history, significance, here’s all you need to know

As students, it is our responsibility of every student to honor the great man and his invention, by contributing greatly to the field of science through innovation.

All the very best to enhance your scientific zeal.

India News

PM Modi’s Indonesia visit to boost defence, digital and strategic partnership

Prime Minister Narendra Modi’s Indonesia visit is expected to strengthen bilateral ties through new initiatives in defence, digital infrastructure, maritime security, trade and critical minerals.

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PM Narendra Modi

Prime Minister Narendra Modi’s upcoming visit to Indonesia is expected to give fresh momentum to the growing strategic partnership between the two countries, with discussions likely to cover defence cooperation, maritime security, digital connectivity, trade, critical minerals and several other sectors.

India’s Ambassador to Indonesia, Sandeep Chakravorty, said the relationship between New Delhi and Jakarta has entered a stronger phase following Indonesian President Prabowo Subianto’s visit to India as the Chief Guest for the Republic Day celebrations last year. He said the Prime Minister’s visit is expected to further strengthen this trajectory through a series of new understandings and agreements.

Defence and maritime cooperation likely to receive major push

According to the ambassador, defence and maritime security will remain key pillars of the discussions during the visit.

He highlighted Indonesia’s strategic location along the Malacca Strait, describing secure sea lanes as vital for both countries and the wider Indo-Pacific region. He stressed that uninterrupted maritime connectivity remains essential for global trade and regional stability.

Without revealing specific details, Chakravorty indicated that the visit could produce significant outcomes in defence cooperation, saying several important announcements are expected.

‘BrahMos Plus’ hints at broader defence partnership

The ambassador also suggested that defence ties between India and Indonesia are moving beyond discussions centred on the BrahMos supersonic cruise missile.

Responding to a question about future cooperation, he remarked that the next phase would be “BrahMos Plus,” while refraining from providing further details.

He said future collaboration is expected to focus on defence manufacturing, technology partnerships, training and capacity building. India, he noted, has emerged as an important exporter of defence equipment and could support Indonesia’s efforts to strengthen its domestic defence manufacturing capabilities.

Military cooperation is also expanding, with India set to participate with troops for the first time in the multinational Garuda Shield military exercise after previously attending as an observer.

Digital connectivity and UPI integration gain momentum

Digital cooperation is expected to be another major highlight of the visit.

The ambassador said Indonesia is preparing to launch its Open Network for Digital Commerce (ONDC)-inspired platform during Prime Minister Modi’s visit, making it the fastest international adopter of India’s digital public infrastructure model.

The initiative is expected to support nearly 65 million micro, small and medium enterprises (MSMEs) in Indonesia by creating a more open digital commerce ecosystem.

Chakravorty also said discussions on integrating India’s Unified Payments Interface (UPI) with Indonesia’s payment systems have reached an advanced stage.

While technical integration remains complex due to Indonesia’s multiple payment-switch networks, he expressed confidence that progress would continue and the Prime Minister’s visit could accelerate the process.

Critical minerals and investment to feature prominently

Critical minerals are also expected to be a major area of cooperation as both countries look to strengthen supply chains for clean energy technologies and electric vehicle manufacturing.

Indonesia possesses significant reserves of nickel and other strategic minerals, while India is seeking reliable supplies to support its manufacturing ambitions.

The ambassador said India plans to invest in processing critical minerals within Indonesia rather than importing only raw materials. He added that such investments would support industrial development in both countries while contributing to India’s self-reliance goals.

Cultural ties to be highlighted

Apart from strategic and economic cooperation, the visit is also expected to showcase the longstanding cultural relationship between India and Indonesia.

Both countries will launch a 15-month programme commemorating Rabindranath Tagore’s 1927 visit to Indonesia, recognising his influence on the country’s educational and cultural landscape.

Prime Minister Modi is also expected to visit Yogyakarta, a city known for its historic temples, reflecting the deep civilisational links shared by the two nations.

With cooperation expanding across defence, digital infrastructure, trade and critical minerals, the visit is expected to mark another important step in strengthening the India-Indonesia strategic partnership and advancing cooperation in the Indo-Pacific region.

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India News

Ram Mandir Trust accepts Champat Rai’s resignation amid donation theft row

The Shri Ram Janmabhoomi Teerth Kshetra Trust has accepted Champat Rai’s resignation as General Secretary following the donation theft controversy, with Bajrang Bagra emerging as a leading contender for the post.

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Champat Rai

The Shri Ram Janmabhoomi Teerth Kshetra Trust has accepted the resignation of its General Secretary, Champat Rai, following the controversy surrounding the alleged theft of cash donations at the Ram Temple in Ayodhya.

According to sources, Bajrang Bagra has emerged as one of the leading contenders for the post. Bagra currently serves as the International General Secretary of the Vishwa Hindu Parishad (VHP). A chartered accountant by profession and a former head of PSU NALCO, he is considered to have the administrative and financial expertise required as the Trust moves into its next phase.

Sources indicated that the Trust is looking to appoint someone with strong experience in governance, finance and institutional administration to strengthen its functioning.

Although Champat Rai has stepped down as General Secretary, sources said he is expected to continue as a trustee unless he decides otherwise.

Decision on successor may come after VHP executive meeting

The appointment of the next General Secretary is unlikely to be announced immediately. The VHP’s biannual national executive meeting is scheduled to take place in Delhi on July 19 and 20, where several organisational decisions, including transfers and appointments, are expected to be discussed.

Champat Rai and trustee Anil Mishra had submitted their resignations after Uttar Pradesh Chief Minister Yogi Adityanath reportedly took a firm stand on the alleged donation theft. Their resignations came after the Special Investigating Team (SIT) submitted its preliminary findings into the case.

Donation theft investigation

According to the preliminary investigation, temple staff responsible for counting cash donations allegedly siphoned off money despite CCTV cameras being installed at the counting centre. The report stated that the footage was not monitored regularly, allowing the alleged theft to continue. Reports suggest that around Rs 7 crore to Rs 7.5 crore may be missing.

So far, eight people have been arrested in connection with the case. Among them is Ram Shankar Yadav, also known as Tinnu Yadav, who worked as Champat Rai’s driver.

Sources said Champat Rai has told his close associates that Tinnu Yadav played the central role in the alleged fraud and misused the trust placed in him. According to the sources, Rai also claimed that when Yadav feared he would be caught, he leaked information to a Samajwadi Party leader.

The other accused arrested in the case are Avinash Shukla, Anukalp Mishra, Lav Kush Mishra, Manish Kumar Yadav, Karunesh Pandey, Ramashankar Mishra and Subhash Srivastava.

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WhatsApp gets more time to respond on username feature, rollout in India put on hold

WhatsApp has been granted more time to respond to the government’s concerns over its username feature and has assured that it will not launch the feature in India until discussions are completed.

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WhatsApp

Meta assures the government that the feature will not be introduced in India until ongoing consultations are completed.

Meta-owned WhatsApp has been granted an extension to submit its response to the Centre regarding its proposed username feature, while assuring the government that it will not roll out the feature in India until discussions on the matter are concluded.

According to sources, the government has allowed WhatsApp three additional days to file its response after the company sought more time. The original deadline for the reply was Friday.

The proposed username feature would allow users to connect with others without revealing their phone numbers, a move that has raised concerns within the government over its potential impact on cyber safety.

Last week, the Centre issued a notice to Meta questioning the feature, expressing concerns that it could increase online fraud, phishing attempts, impersonation, and so-called “digital arrest” scams. The government also directed the company to pause the rollout until consultations are completed to its satisfaction.

Sources said representatives from Meta met officials from the Ministry of Electronics and Information Technology (MeitY) on Friday following the issuance of the notice. During the discussions, WhatsApp reportedly assured authorities that the feature would not be introduced in India before the consultation process is completed.

The government has also asked Meta to explain why action should not be initiated under the Information Technology Act and the relevant rules if the proposed feature is found to compromise user safety. It reminded the company that WhatsApp, as a significant social media intermediary, must comply with due diligence obligations under Indian law.

A WhatsApp spokesperson had earlier clarified that the username feature is not yet live and is expected to be introduced gradually later this year.

The company said it has built several safeguards into the feature to prevent impersonation. According to WhatsApp, usernames of public figures, government entities, celebrities, and verified Meta accounts have been reserved so that they can only be claimed by their legitimate owners. It also said lookalike variations of such usernames are being restricted.

WhatsApp also clarified that users will still need a phone number to create and use a WhatsApp account. The username feature is intended only as an alternative way for people to connect.

The company added that users would need to know another person’s exact username before initiating contact. It also plans to limit how many new users an account can message, prevent repeated attempts to guess usernames, and use automated systems to detect impersonation and abusive behaviour.

To help users identify unfamiliar contacts, WhatsApp said it will display contextual information whenever someone sends a message through a username for the first time. Users will be informed whether the sender is a new account, an existing contact, someone who shares a mutual group, or a person located in another country before deciding whether to respond.

Following its notice to WhatsApp, the IT Ministry also issued notices to Telegram and Signal, seeking details on how their existing username-based systems address concerns related to fraud and impersonation. While WhatsApp has around 500 million users in India, Telegram has a significantly smaller user base.

In recent days, Meta and Telegram have also come under regulatory scrutiny on separate issues. The government recently issued a notice to Meta regarding child sexual abuse material appearing in Instagram advertisements, while Telegram was directed to strengthen action against the circulation of pirated films, OTT content, and other copyrighted audio-visual material on its platform.

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