Homi J. Bhabha is widely regarded as the 'Father of Indian Nuclear Program'. He was a renowned nuclear physicist and the founding director of the Tata Institute of Fundamental Research (TIFR) in Mumbai.

S. Chandrasekhar, an Indian-American astrophysicist, is credited with developing the 'Chandrasekhar Limit', which determines the maximum mass a white dwarf star can have before collapsing under its own gravity.

C.V. Raman, an Indian physicist, is renowned for his discovery of the 'Raman Effect', which involves the inelastic scattering of light by molecules. This discovery earned him the Nobel Prize in Physics in 1930.

Vikram Sarabhai is widely regarded as the 'Father of Indian Space Program'. He was the founding father of the Indian Space Research Organization (ISRO) and played a crucial role in shaping India's space exploration endeavors.

A.P.J. Abdul Kalam, an Indian scientist and former President of India, is widely known as the 'Missile Man of India'. He played a pivotal role in the development of India's missile program and contributed significantly to the country's defense capabilities.

Satyendra Nath Bose, an Indian physicist, is credited with developing the 'Bose-Einstein Statistics', which describes the behavior of particles with integer spin, known as bosons. This work laid the foundation for Bose-Einstein condensation, a state of matter where bosons behave as a single entity.

Govind Swarup, an Indian radio astronomer, is renowned for his contributions to the field of radio astronomy. He is credited with discovering pulsars, rapidly rotating neutron stars that emit pulses of radio waves, and played a crucial role in establishing the Giant Metrewave Radio Telescope (GMRT) in India.

Claude-Louis Navier, a French mathematician and physicist, is credited with developing the 'Navier-Stokes Equations', which are a set of partial differential equations that describe the motion of fluids. These equations are fundamental in fluid dynamics and have applications in various fields, including engineering, meteorology, and oceanography.

Srinivasa Ramanujan, an Indian mathematician, is renowned for his remarkable contributions to number theory. Despite having no formal training in mathematics, he made significant discoveries and developed innovative mathematical techniques. His work has had a profound impact on various branches of mathematics and earned him the title 'Man who knew Infinity'.

G.H. Hardy and Srinivasa Ramanujan jointly developed the 'Hardy-Ramanujan Asymptotic Formula', which provides an approximation for the number of prime numbers less than a given number. This formula is significant in number theory and has applications in various areas of mathematics.

Subrahmanyan Chandrasekhar, an Indian-American astrophysicist, is renowned for his contributions to theoretical physics, particularly in the areas of stellar structure and evolution. His work on the 'Chandrasekhar Limit' and his contributions to the understanding of black holes and neutron stars have earned him international recognition and accolades.

Srinivasa Ramanujan is credited with discovering the 'Ramanujan Prime', a prime number that can be expressed as the sum of two cubes in two different ways. This discovery showcases his exceptional mathematical abilities and has attracted significant attention in the field of number theory.

Har Gobind Khorana, an Indian-American biochemist, is renowned for his contributions to the field of particle physics. He is particularly known for his work on the discovery of the Higgs boson, a subatomic particle that is crucial for understanding the origin of mass in the universe.

Srinivasa Ramanujan is credited with developing the 'Ramanujan Theta Function', a complex function that has remarkable properties and applications in various areas of mathematics. This function has been extensively studied and has led to significant advancements in mathematical research.

Har Gobind Khorana, an Indian-American biochemist, is renowned for his contributions to the field of genetics. He is particularly known for his work on the discovery of the structure of DNA, the genetic material that carries the instructions for an organism's development and functioning.