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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

Hardeep Singh Puri elected unopposed to Rajya Sabha from Madhya Pradesh

Union Minister Hardeep Singh Puri has been elected unopposed to the Rajya Sabha from Madhya Pradesh after the nominations of two other candidates, including a Congress-backed nominee, were rejected.

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Hardeep Puri

Union Petroleum Minister and Bharatiya Janata Party (BJP) leader Hardeep Singh Puri has been elected unopposed to the Rajya Sabha from Madhya Pradesh. The announcement was made on Thursday after the deadline for withdrawal of nominations ended, leaving Puri as the only candidate in the contest.

Puri’s election followed the rejection of nomination papers filed by two other candidates, Kante Sayanna and Rajkumar Lohani, who was backed by the Opposition Congress. Their nominations were rejected during the scrutiny process, making Puri the sole candidate remaining in the fray.

Returning Officer Umesh Sharma formally declared Puri elected to the Upper House of Parliament. Madhya Pradesh BJP president Hemant Khandelwal collected his certificate of election from the returning officer in the presence of party MLA Rameshwar Sharma.

Why Hardeep Singh Puri was elected unopposed

The Madhya Pradesh Rajya Sabha bypoll witnessed three candidates initially entering the contest. However, the nomination papers of the two other candidates did not clear scrutiny.

Kante Sayanna and Congress-backed candidate Rajkumar Lohani had their nominations rejected during the examination of election papers. With both candidates out of the contest, Puri remained the only candidate.

As a result, the returning officer declared him elected unopposed on the final day of withdrawal of nominations on November 5.

The bypoll, if required, had been scheduled to take place on November 12.

Why the Madhya Pradesh Rajya Sabha seat fell vacant

The by-election became necessary following the resignation of former Union minister L Murugan from the Rajya Sabha last month.

Murugan’s departure created a vacancy in the Upper House from Madhya Pradesh. His original term was scheduled to continue until April 2, 2030.

The BJP subsequently nominated Hardeep Singh Puri as its candidate for the by-election.

Puri, a former diplomat who later entered politics, currently serves as the Union Minister of Petroleum and Natural Gas.

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India News

Amit Shah challenges Rahul Gandhi to debate SIR in Parliament

Amit Shah responded to Rahul Gandhi’s public debate challenge by inviting him to discuss the SIR exercise in Parliament. He also criticised the Congress over its demand for Chief Election Commissioner Gyanesh Kumar’s resignation.

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Union Home Minister Amit Shah has challenged Congress leader Rahul Gandhi to take up his demand for a public debate with Prime Minister Narendra Modi in Parliament, saying the government is ready to convene a special session to discuss the Special Intensive Revision (SIR) exercise.

Addressing a rally in Haryana’s Karnal, Shah directly responded to Gandhi’s challenge to the Prime Minister, asking the Congress leader to write to PM Modi if he wanted a discussion.

“I want to challenge Rahul Gandhi directly. You challenge PM Modi for a discussion? If you want a discussion, simply write a letter to PM Modi. We are ready to convene a special session of Parliament to discuss the SIR exercise… Come and debate in Parliament,” Shah said.

The remarks came two days after Rahul Gandhi issued another public debate challenge to the Prime Minister.

On November 3, Gandhi wrote in a post on X that PM Modi could choose any stage or venue for a discussion. He proposed debating allegations concerning who was anti-national and who had connections with foreign forces, adding that the media and the country’s youth should also be present.

Amit Shah targets Congress over SIR controversy

During his address, Shah also criticised the Congress over its demand for the resignation of Chief Election Commissioner Gyanesh Kumar.

Referring to the 2014, 2019 and 2024 Lok Sabha elections, the Home Minister argued that the Congress had lost despite no Special Intensive Revision exercise being conducted during those elections.

“Where was the SIR in 2014? You were completely wiped out even then. Where was SIR in 2019? You lost. There was no SIR in 2024 either, yet you lost again,” he said.

Shah also referred to the elections in Haryana and Maharashtra, claiming that there was no SIR exercise in either state when the Congress suffered electoral defeats.

He accused the Opposition of disrupting parliamentary proceedings and organising protests on the streets instead of allowing Parliament to function.

Shah criticises Rahul Gandhi over protests

The Home Minister further alleged that Rahul Gandhi and the Congress were creating disorder through street protests and parliamentary boycotts.

Shah said BJP workers would give a “fitting reply” if Gandhi continued to mobilise crowds on the streets.

He also questioned Gandhi’s claim to have mobilised large numbers of people for a rally in Delhi, alleging that the venue had a capacity of 70,000 and was still half empty despite an appeal to bring 10 lakh people.

“The people of the country have consistently defeated Rahul Gandhi and the Congress party. The people of the country are not with you or the Opposition alliance,” Shah said.

Amit Shah raises questions over Rahul Gandhi’s foreign visits

Shah also sought details about Rahul Gandhi’s foreign visits, arguing that people had a right to know about them.

“You’re Leader of Opposition… People have the right to know,” the Home Minister said.

His remarks came amid the continuing political confrontation between the BJP and Congress over the SIR exercise, electoral processes and the Opposition’s criticism of the Election Commission.

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Women’s cash schemes in Chhattisgarh ease inflation, not entrepreneurship

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By Neeraj Mishra

As Chhattisgarh celebrated its 26th Foundation Day with Home Minister Amit Shah as chief guest, there are worries about the cash programmes for women.

With the payment of the 33rd consecutive monthly installment of Mahtari Vandan Yojana to more than 67 lakh beneficiaries, Chhattisgarh has created a record of sorts. The 67 lakh women are supposed to have received a monthly cash dole of Rs 1000 per head in their accounts totaling to a mammoth Rs 21,350 crore. It translates into a very neat Rs 33000 per head for each married woman over the age of 21 so far.

And all these women are KYC- checked and receive the direct benefit transfer. If there are an average of  three married women in a joint family, then the amount totals to better than the average rise in paddy prices. That’s not all, there are six other women’s schemes which provide easy loans and rent free shops in good locations. These schemes pump in a further Rs 11,000 crore into each household every year. Further, the renamed MNREGA has another Rs 16,200 crore reserved for the state every year.

So far so good and it reads like a state government PR pamphlet. Now for the bad news. The cash dole has so far been absorbed by the family itself because of the inordinate rise in fuel prices. By all accounts only 23 per cent of the households who receive gas cylinders are able to continue buying it. Only 15 per cent of those who received loans for various trades including e-rickshaws have been able to sustain it. This is roughly about 41,000 women so far.

The state had also invested in physical infrastructure like sheds and shops for trades like mushroom farming, goat farming and small size hatcheries. Some shops were given rent free on prime locations in Raipur, Durg and Bilaspur etc. Most of these facilities have been abandoned as the self-help groups (SHGs) formed for the purpose haven’t been able to convert it into a profitable venture. In fact, each SHG, which usually has 11 women, is given a monthly encouragement amount of Rs 15,000 which is now being split amongst the group with nothing to show for it.  Most sheds have either broken down or have become illegally occupied. Better still, the shops have been handed over to businessmen to recover some of the cost.

“The main reason these schemes have not had the desired effect is lack of training and a general apathy on part of the entrepreneurs because of easy cash,” said an official. And that best sums it up.

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