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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

Amit Shah counters delimitation concerns, says southern states to gain Lok Sabha seats

Amit Shah assures Parliament that southern states will gain Lok Sabha seats after delimitation, countering opposition criticism during the women’s reservation debate.

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Amit Shah

Union Home Minister Amit Shah on Thursday addressed concerns over the proposed delimitation exercise, asserting in the Lok Sabha that southern states will not lose representation but instead see an increase in their number of seats.

His remarks came during a heated debate linked to the implementation of women’s reservation, where opposition parties have raised fears that population-based delimitation could reduce the political weight of southern states.

Shah rejected these claims, calling them misleading, and said the proposed framework ensures fairness while expanding the overall strength of the Lok Sabha.

Seat count to rise with expansion of Lok Sabha

The government has indicated that the total number of Lok Sabha seats could increase significantly as part of the delimitation process. In this expanded House, the combined representation of southern states is expected to rise from 129 seats at present to around 195 seats.

Shah emphasised that no state will lose seats in absolute terms, and the exercise is designed to reflect population changes while maintaining balance across regions.

State-wise projections shared in Parliament

During his address, Shah also provided indicative figures for individual southern states, suggesting notable increases in representation. According to the projections:

  • Tamil Nadu could see its seats rise substantially
  • Kerala, Telangana, and Andhra Pradesh are also expected to gain additional seats
  • Karnataka’s representation may increase as well

These figures were presented to counter the argument that delimitation would disproportionately favour northern states.

Political debate intensifies over linkage with women’s quota

The delimitation exercise has been closely linked to the rollout of women’s reservation, which proposes one-third seats for women in Parliament and state assemblies.

Opposition leaders have questioned this linkage, arguing that tying reservation to delimitation could delay its implementation and raise federal concerns. Some leaders have also warned that the move could impact national unity if apprehensions among states are not addressed.

The government, however, maintains that the reforms are necessary to ensure equitable representation and to align the electoral system with demographic realities.

Centre dismisses ‘false narrative’ on southern states

Shah reiterated that concerns about southern states losing influence are unfounded. He said the delimitation process will increase representation across regions and described the criticism as a “false narrative” aimed at creating confusion.

The issue is expected to remain a key flashpoint as Parliament continues discussions on the women’s reservation framework and related legislative changes.

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PM Modi assures no discrimination in women’s quota, delimitation debate intensifies in Parliament

PM Narendra Modi has assured that women’s reservation will be implemented without discrimination, amid a heated debate over delimitation in Parliament.

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PM modi

Prime Minister Narendra Modi has assured that there will be no discrimination in the implementation of women’s reservation, as Parliament witnessed a sharp debate over the proposed linkage between the quota and delimitation exercise.

During the ongoing special session, the government reiterated its commitment to ensuring fair representation while addressing concerns raised by opposition parties regarding the timing and structure of the legislation.

The proposed framework aims to reserve 33 percent of seats for women in the Lok Sabha and state assemblies. However, its implementation is tied to a fresh delimitation exercise, which is expected after the next census.

Opposition questions timing and intent

Opposition leaders have raised concerns that linking the women’s quota to delimitation could delay its implementation. They argue that the process of redrawing constituencies may push the actual rollout further into the future.

The issue has triggered a broader political confrontation, with multiple parties questioning whether the move could alter representation across states.

Some critics have also alleged that the delimitation exercise could disproportionately benefit certain regions based on population, a charge the government has rejected.

Government reiterates commitment to fair implementation

Responding to these concerns, the Centre has maintained that the reforms are necessary to ensure accurate and updated representation based on population data.

Leaders from the ruling side have repeatedly emphasized that the process will be carried out transparently and without bias. The assurance that there will be “no discrimination” is aimed at addressing fears among states and opposition parties.

The debate marks a key moment in Parliament, with both sides engaging in intense exchanges over one of the most significant electoral reforms in recent years.

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Give all tickets to Muslim women, Amit Shah says, attacking Akhilesh Yadav on sub-quota demand

A sharp exchange between Amit Shah and Akhilesh Yadav in Parliament over sub-quota for Muslim women highlights key divisions on women’s reservation implementation.

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A heated exchange broke out in Parliament during discussions on the women’s reservation framework, with Union Home Minister Amit Shah and Samajwadi Party chief Akhilesh Yadav locking horns over the demand for a sub-quota for Muslim women.

The debate unfolded as the government pushed forward key legislative measures to implement 33% reservation for women in the Lok Sabha and state assemblies.

Akhilesh Yadav argued that the proposed reservation must ensure representation for women from marginalised communities, including Other Backward Classes (OBCs) and Muslim women. He said that without such provisions, large sections could remain excluded from political participation.

He also questioned the timing of the bill, alleging that the Centre was avoiding a caste census. According to him, a census would lead to renewed demands for caste-based reservations, which the government is reluctant to address.

Government rejects religion-based quota

Responding to the demand, Amit Shah made it clear that reservation based on religion is not permitted under the Constitution.

He stated that any proposal to provide quota to Muslims on religious grounds would be unconstitutional, firmly rejecting the idea of a separate sub-quota for Muslim women within the broader reservation framework.

The government has maintained that the existing framework already includes provisions for Scheduled Castes (SC) and Scheduled Tribes (ST) women within the overall reservation structure.

Wider political divide over implementation

The issue of sub-categorisation within the women’s quota has emerged as a major flashpoint, even as most opposition parties broadly support the idea of women’s reservation.

Samajwadi Party leaders reiterated that their support for the bill depends on inclusion of OBC and minority women, while the government continues to defend its constitutional position.

The debate is part of a broader discussion during the special Parliament session, where multiple bills linked to delimitation and implementation of the women’s quota are being taken up.

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