Graduate Level intermediate Indian Scientists CV Raman APJ Abdul Kalam Homi Bhabha Vikram Sarabhai Inventions
Indian Scientists & Their Contributions: CV Raman, Bose, Kalam, Bhabha, Sarabhai
Complete study notes on Indian scientists and their contributions — CV Raman, Jagadish Chandra Bose, APJ Abdul Kalam, Homi Bhabha, Vikram Sarabhai, and other pioneers. Kerala PSC Graduate Level.
Published: 21 Apr 2026 Relevant for: Graduate Level Prelims, Secretariat Assistant, University Assistant, LDC
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Indian scientists and their contributions are heavily tested in Kerala PSC exams. Questions focus on discoveries, titles, institutions founded, and awards. This note covers major Indian scientists with exam-ready tables.
1. C.V. Raman (Chandrasekhara Venkata Raman)
| Fact | Detail |
|---|---|
| Born | 7 November 1888, Tiruchirappalli, Tamil Nadu |
| Died | 21 November 1970 |
| Discovery | Raman Effect (inelastic scattering of light) — 28 February 1928 |
| Nobel Prize | Physics, 1930 — first Asian to win Nobel Prize in Science |
| National Science Day | 28 February (date of Raman Effect discovery) |
| Bharat Ratna | 1954 |
| Institutions | Indian Association for Cultivation of Science (Kolkata); Raman Research Institute (Bangalore) |
| Key contribution | Proved that scattered light changes wavelength — Raman Scattering |
| Journal | Founded Indian Journal of Physics |
2. Jagadish Chandra Bose
| Fact | Detail |
|---|---|
| Born | 30 November 1858, Mymensingh (now Bangladesh) |
| Died | 23 November 1937 |
| Fields | Physics, Biology, Botany |
| Key contributions | Pioneered research on radio and microwave optics; demonstrated wireless transmission before Marconi |
| Crescograph | Invented the crescograph to measure plant growth |
| Proved | Plants have feelings/response to stimuli (electrical signals in plants) |
| Bose Institute | Founded in Kolkata (1917) — one of the oldest research institutes in India |
| Pioneer | Considered a pioneer of wireless communication (demonstrated in 1895) |
3. APJ Abdul Kalam (Avul Pakir Jainulabdeen Abdul Kalam)
| Fact | Detail |
|---|---|
| Born | 15 October 1931, Rameswaram, Tamil Nadu |
| Died | 27 July 2015 |
| Title | ”Missile Man of India” |
| President of India | 11th President (2002-2007) |
| Key role | Project Director, SLV-3 (India’s first satellite launch vehicle); led Agni and Prithvi missile programmes |
| DRDO | Served as Chief Scientific Adviser to Defence Minister |
| Pokhran-II | Key role in India’s 1998 nuclear tests |
| Book | ”Wings of Fire” (autobiography) |
| Bharat Ratna | 1997 |
| World Students’ Day | 15 October (his birthday) |
4. Homi Jehangir Bhabha
| Fact | Detail |
|---|---|
| Born | 30 October 1909, Mumbai |
| Died | 24 January 1966 (plane crash near Mont Blanc) |
| Title | ”Father of Indian Nuclear Programme” |
| Founded | Tata Institute of Fundamental Research (TIFR), 1945 — Mumbai |
| Founded | Atomic Energy Establishment, Trombay (later renamed Bhabha Atomic Research Centre — BARC) |
| Key role | First Chairman, Atomic Energy Commission of India (1948) |
| Bhabha Scattering | Theoretical work on electron-positron scattering |
| Three-stage nuclear programme | Proposed India’s three-stage nuclear power programme |
| Vision | Peaceful use of nuclear energy for India’s development |
5. Vikram Ambalal Sarabhai
| Fact | Detail |
|---|---|
| Born | 12 August 1919, Ahmedabad |
| Died | 30 December 1971 |
| Title | ”Father of Indian Space Programme” |
| Founded | Physical Research Laboratory (PRL), Ahmedabad (1947) |
| Key role | Founded ISRO (Indian Space Research Organisation) — established 1969 |
| Thumba | Established Thumba Equatorial Rocket Launching Station (TERLS) in Kerala (1963) |
| First rocket | India’s first sounding rocket launched from Thumba, 21 November 1963 |
| IIM Ahmedabad | Co-founder of IIM Ahmedabad (1961) |
| Vikram Lander | Chandrayaan-2 lander named after him |
| Padma Bhushan | 1966; Padma Vibhushan (posthumous) 1972 |
6. Other Major Indian Scientists
| Scientist | Field | Key Contribution |
|---|---|---|
| Srinivasa Ramanujan | Mathematics | 3,900+ mathematical results; Hardy-Ramanujan number (1729); Ramanujan prime; National Mathematics Day: 22 December |
| Meghnad Saha | Astrophysics | Saha Ionisation Equation (thermal ionisation); explained stellar spectra |
| S.N. Bose (Satyendra Nath Bose) | Physics | Bose-Einstein Statistics; Bose-Einstein Condensate; “Boson” particle named after him |
| Hargobind Khorana | Biochemistry | Nobel Prize in Medicine (1968); interpretation of genetic code and its function in protein synthesis |
| Subrahmanyan Chandrasekhar | Astrophysics | Nobel Prize in Physics (1983); Chandrasekhar Limit (maximum mass of white dwarf star — 1.4 solar masses) |
| Venkatraman Ramakrishnan | Chemistry | Nobel Prize in Chemistry (2009); structure of ribosome |
| M. Visvesvaraya | Engineering | Engineer’s Day (15 September); Bharat Ratna 1955; designed Krishna Raja Sagara Dam |
| Birbal Sahni | Palaeobotany | Father of Indian Palaeobotany; founded Birbal Sahni Institute, Lucknow |
| Salim Ali | Ornithology | ”Birdman of India”; Book of Indian Birds |
| Prafulla Chandra Ray | Chemistry | Father of Indian Chemical Science; founded Bengal Chemicals (first Indian pharmaceutical company) |
| Prasanta Chandra Mahalanobis | Statistics | Mahalanobis Distance; founded Indian Statistical Institute; National Statistics Day: 29 June |
| Shanti Swaroop Bhatnagar | Chemistry | Founded CSIR labs; Shanti Swaroop Bhatnagar Prize for science |
7. Indian Nobel Prize Winners in Science
| Scientist | Prize | Year | For |
|---|---|---|---|
| C.V. Raman | Physics | 1930 | Raman Effect (scattering of light) |
| Hargobind Khorana | Medicine | 1968 | Genetic code interpretation (born in undivided India, US citizen) |
| Subrahmanyan Chandrasekhar | Physics | 1983 | Chandrasekhar Limit (born India, US citizen) |
| Venkatraman Ramakrishnan | Chemistry | 2009 | Ribosome structure (born India, US/UK citizen) |
8. Important National Days Related to Scientists
| Day | Date | Celebrates |
|---|---|---|
| National Science Day | 28 February | Discovery of Raman Effect (1928) |
| National Technology Day | 11 May | Pokhran-II nuclear tests (1998) |
| National Mathematics Day | 22 December | Birthday of Srinivasa Ramanujan |
| Engineer’s Day | 15 September | Birthday of M. Visvesvaraya |
| National Statistics Day | 29 June | Birthday of P.C. Mahalanobis |
| World Students’ Day | 15 October | Birthday of APJ Abdul Kalam |
| National Space Day | 23 August | Chandrayaan-3 landing (2023) |
9. Key Research Institutions Founded by Indian Scientists
| Institution | Founded By | Year | Location |
|---|---|---|---|
| Bose Institute | J.C. Bose | 1917 | Kolkata |
| TIFR | Homi Bhabha | 1945 | Mumbai |
| Physical Research Laboratory | Vikram Sarabhai | 1947 | Ahmedabad |
| Raman Research Institute | C.V. Raman | 1948 | Bangalore |
| Indian Statistical Institute | P.C. Mahalanobis | 1931 | Kolkata |
| Saha Institute of Nuclear Physics | Meghnad Saha | 1950 | Kolkata |
10. PSC Quick Revision — One-Liners
- C.V. Raman: Nobel Prize 1930, Raman Effect, National Science Day = 28 February
- J.C. Bose: Crescograph, plant responses, pioneer of wireless communication
- APJ Abdul Kalam: “Missile Man of India”, 11th President, SLV-3, Bharat Ratna 1997
- Homi Bhabha: “Father of Indian Nuclear Programme”, founded TIFR and BARC
- Vikram Sarabhai: “Father of Indian Space Programme”, founded ISRO, PRL
- Ramanujan: 1729 = Hardy-Ramanujan number; National Mathematics Day = 22 December
- S.N. Bose: Bose-Einstein Statistics; “Boson” named after him
- Chandrasekhar Limit = 1.4 solar masses (max mass of white dwarf)
- M. Visvesvaraya: Engineer’s Day = 15 September; Bharat Ratna 1955
- India’s first sounding rocket launched from Thumba, Kerala (21 November 1963)
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