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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

Over 5,000 tribals join BJP in Assam’s Goalpara ahead of elections

More than 5,000 tribals, largely from the Garo community, joined the BJP in Assam’s Goalpara district during a large-scale ST Morcha programme ahead of elections.

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Hemanta Sharma

More than 5,000 members of tribal communities formally joined the Bharatiya Janata Party (BJP) at a large-scale event held in Assam’s Goalpara district on February 25, weeks before key elections.

The joining programme was organised by the BJP ST Morcha, Assam Pradesh, at the Agia School playground. The event was conducted under the leadership of Riya Sangma, State Secretary of BJP ST Morcha and in-charge of the Goalpara ST Morcha.

Party leaders said the programme witnessed strong participation, particularly from the Garo community, describing it as a significant political development in the district.

The chief guest at the event was Samir Oran, National President of BJP ST Morcha and outgoing Member of Parliament (Rajya Sabha). Among those present were Bijuli Kalita Medhi, MP from the Guwahati Lok Sabha constituency, Ravindra Raju, Horen Singh Bey, who serves as State President of BJP ST Morcha, and other party leaders.

Goalpara district has traditionally seen strong influence from opposition parties, especially the Congress. Tribal voters in the region have largely remained divided, making the large-scale induction ahead of elections politically significant.

Addressing the media, Samir Oran said the BJP has brought a new phase of recognition and opportunity for tribal communities across the Northeast. He stated that the joining programme reflected growing trust among tribal populations in the party.

Riya Sangma said many tribal communities, particularly members of the Garo community, had earlier felt deprived of adequate respect and development benefits. She added that the participation of over 5,000 people demonstrated confidence in the BJP’s leadership.

Dipankar Nath, BJP Goalpara District President, termed the development a “game-changer” for the constituency. He said the party remains committed to the welfare, development and dignity of tribal communities.

Party leaders expressed confidence that the induction drive would strengthen the BJP’s organisational base in Goalpara and nearby areas ahead of the upcoming polls.

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PM Modi crosses 100 million followers on Instagram, first world leader to achieve milestone

Prime Minister Narendra Modi has crossed 100 million followers on Instagram, becoming the first world leader to achieve the milestone and widening the gap with global counterparts.

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pm modi followers

Prime Minister Narendra Modi has become the first world leader and politician to cross 100 million followers on Instagram, marking a significant moment in global political communication.

Having joined the platform in 2014, the Prime Minister has steadily built one of the most followed political profiles worldwide. Over the past decade, his Instagram account has featured updates on official engagements, international visits, public outreach programmes, cultural highlights and personal moments, helping him connect with a broad and diverse audience.

With 100 million followers, PM Modi now ranks first among world leaders on Instagram. His follower count is more than double that of US President Donald Trump, who stands at 43.2 million followers.

Other prominent leaders remain considerably behind in comparison. Indonesian President Prabowo Subianto has around 15 million followers, Brazilian President Luiz Inacio Lula da Silva has 14.4 million, Turkish President Recep Tayyip Erdogan has 11.6 million, and Argentine President Javier Milei has 6.4 million followers.

Notably, the combined follower count of the next five major global leaders remains lower than PM Modi’s individual tally, highlighting the scale of his digital outreach. Observers note that his presence on Instagram resonates strongly with younger users in India and abroad, reflecting the growing importance of visual and interactive platforms in political engagement.

Wide gap within India’s political space

The Prime Minister also maintains a substantial lead over other Indian political figures on Instagram. Uttar Pradesh Chief Minister Yogi Adityanath has around 16.1 million followers, while Congress leader Rahul Gandhi has approximately 12.6 million followers.

The gap underlines PM Modi’s dominant position on social media among domestic political leaders.

The milestone reflects a broader global trend of political leaders increasingly using platforms like Instagram to communicate directly with citizens, share governance updates, and expand public engagement beyond traditional media channels.

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MK Stalin predicts frequent PM Modi visits to Tamil Nadu before assembly election

MK Stalin has said Prime Minister Narendra Modi will visit Tamil Nadu more often ahead of the Assembly election, calling the tours politically motivated and questioning the Centre’s support to the state.

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MK Stalin

Tamil Nadu Chief Minister M. K. Stalin has predicted that Prime Minister Narendra Modi will increase his visits to the state as the Assembly election, expected in April or May, draws closer.

Speaking ahead of the polls, the DMK president said the Prime Minister has already begun touring Tamil Nadu and is likely to visit frequently in the coming months. He claimed that such visits could create discomfort within the BJP-led National Democratic Alliance (NDA), as alliance partners may fear the political impact of repeated appearances.

Stalin calls visit politically motivated

The Chief Minister described the Prime Minister’s scheduled programmes in the state as “politically motivated”. PM Modi is set to attend various events in Madurai in southern Tamil Nadu, including the inauguration of the first phase of the AIIMS hospital project. He is also expected to visit the Thiruparankundram Temple amid the Karthigai Deepam-related controversy and participate in a public meeting organised by the NDA.

Stalin said he has been working for all sections of the population, including those who did not vote for his party. In contrast, he remarked that some leaders are visible in the state only during election time and increase their visits as polls approach.

Criticism over Union Budget allocations

The DMK leader also criticised the BJP-led central government, accusing it of neglecting Tamil Nadu. He pointed out that while approval was recently granted for the Gujarat Metro project, there were no major announcements or allocations for Tamil Nadu in the Union Budget.

Stalin asserted that voters would remember the lack of significant measures for the state. He framed the upcoming election as a contest between Tamil Nadu and the NDA, stating that the state should be governed from Fort St George in Chennai rather than from Delhi.

The ruling DMK is currently allied with several smaller parties and, at present, the Congress, as it seeks a third consecutive term in office. Its principal rival, the AIADMK, is aligned with the BJP as part of the NDA.

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