Homi J. Bhabha was a renowned Indian physicist who played a pivotal role in the establishment of the nuclear power program in India. He is also known for his contributions to theoretical physics, including the development of the Bhabha scattering cross-section.

C. V. Raman was an Indian physicist who won the Nobel Prize in Physics in 1930 for his discovery of the Raman effect. This effect is used in various applications, including spectroscopy, material characterization, and medical diagnostics.

S. Chandrasekhar was an Indian-American astrophysicist who made significant contributions to the study of stellar evolution and the theory of white dwarf stars. He is known for his work on the Chandrasekhar limit, which determines the maximum mass of a white dwarf star.

Meghnad Saha was an Indian astrophysicist who made significant contributions to the study of the ionization of gases. He is known for developing the Saha equation, which describes the ionization equilibrium in a gas and is used in various astrophysical applications.

Homi J. Bhabha was an Indian physicist who made significant contributions to the study of cosmic rays and played a key role in the establishment of the Tata Institute of Fundamental Research (TIFR). TIFR is a renowned research institute in India dedicated to fundamental research in physics and other related fields.

Roger Penrose is a British mathematical physicist who has made significant contributions to the theory of black holes and the development of the Penrose-Hawking singularity theorems. While he is not an Indian physicist, his work has had a profound impact on the field of physics in India.

Vikram Sarabhai was an Indian physicist and astronomer who played a pivotal role in the development of the Indian Space Research Organization (ISRO) and India's space program. He is known as the father of the Indian space program.

Homi J. Bhabha was an Indian physicist who played a key role in the development of nuclear reactors and the establishment of the Bhabha Atomic Research Centre (BARC). BARC is a premier research institute in India dedicated to nuclear research and development.

Govind Swarup was an Indian physicist and radio astronomer who played a key role in the development of the Giant Metrewave Radio Telescope (GMRT) and the study of pulsars. The GMRT is a large radio telescope located in India and is used for astronomical observations.

Nambi Narayanan is an Indian rocket scientist and aerospace engineer who played a key role in the development of the indigenous cryogenic engine for India's space program. Cryogenic engines are used in rockets to achieve higher efficiency and performance.

Raja Ramanna was an Indian physicist and nuclear scientist who played a key role in the development of the indigenous nuclear submarine program in India. He is also known for his contributions to the development of nuclear weapons and nuclear power in India.

Tejas Tejas is an Indian aerospace engineer and scientist who played a key role in the development of the indigenous light combat aircraft (LCA) Tejas. The Tejas is a multirole fighter aircraft developed by the Aeronautical Development Agency (ADA) and Hindustan Aeronautics Limited (HAL) in India.

G. Madhavan Nair is an Indian space scientist and former chairman of the Indian Space Research Organization (ISRO). He played a key role in the development of the indigenous satellite launch vehicle PSLV (Polar Satellite Launch Vehicle), which is used to launch satellites into orbit.

Anil Kakodkar is an Indian nuclear scientist and former chairman of the Atomic Energy Commission of India (AECI). He played a key role in the development of the indigenous nuclear power reactor PHWR (Pressurized Heavy Water Reactor), which is used to generate electricity in India.

Vijay Bhatkar is an Indian computer scientist and former director of the Centre for Development of Advanced Computing (C-DAC). He played a key role in the development of the indigenous supercomputer Param, which is used for high-performance computing in India.