new delhi national science day is celebrated every year on february 28 in commemoration of the discovery of the raman effect by the genius scientist sir cv raman the government of india designated february 28 as national science day in 1986 on this day various sciencerelated activities are organised in schools and colleges throughout the countrythe theme for national science day nsd 2023 is global science for global wellbeing the union minister of state independent charge science technology dr jitendra singh unveiled the theme for national science day 2023 on january 10 2023 as india enters 2023 the theme indicates indias emerging global role and rising visibility in the international arena said the ministero this day every year various activities such as speeches debates science exhibitions quiz competitions lectures etc are organised in schools colleges universities and other academic institutions across the country students looking for an essay or speech idea for national science day 2023 can refer to our sample speech given belowvisual story national science day 2023 history significance themenational science day 2023 speech tips keep the national science day speech short but informative prepare the speech keeping the theme in mind avoid using complex words and sentences practice the speech multiple times and recite it do not hesitate and be stage friendly be confident enough and try to memorize the whole speech learn the technique of body language while delivering the speech it would make the speech more effective web story all about nobel prizewinning the raman effectnational science day speech ideas 2023distinguished guests and my dear friends today i feel honored to stand before you and speak on the occasion of national science day 2023every year february 28 is celebrated as the national science day to commemorate the discovery of raman effect by the genius indian scientist sir cv raman since 1986 the year of adoption of february 28 as the national science day we have witnessed major scientific achievements by indian and indianorigin scientists but do you really know what sir chandrasekhara venkata raman has achieved in his life coming from a small family in southern india chandrasekhara venkata raman has brought great laurels to india he was born in tiruchirappalli tamil nadu on november 7 1888 his father was a lecturer in mathematics and physics and from there he developed an interest in sciencehe studied at st aloysius angloindian high school visakhapatnam and presidency college madras in 1904 he obtained a bsc degree from the university of madras where he stood first and won the gold medal in physics in 1907 he completed an msc degree at the university of madras with the highest distinctionfrom 1907 to 1933 he worked in kolkata at the indian association for the cultivation of science doing research on various topics in physics on february 28 1928 raman led an experiment with indian physicist ks krishnan on the scattering of light when he discovered what now is called the raman effect raman effect explains the