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Which was the first Indian Satellite named after Indian mathematician launched in 1975 by the Soviet Union?
1. INSAt 1A
2. Bhaskara Sega-I
3. Rohini RS-D1
4. Aryabhatta

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Correct Answer - Option 4 : Aryabhatta

The correct answer is Aryabhatta.

  • Aryabhata was the first Indian Satellite named after an Indian mathematician launched in 1975 by the Soviet Union.

  • The satellite was named Aryabhata by India's first woman Prime Minister, Indira Gandhi.
  • The 360-kilogram satellite was built by ISRO.
  • It was launched by Russia from Kapustin Yar rocket launch and development site using a Kosmos-3M launch vehicle.
  • Aryabhata re-entered the Earth's atmosphere after 17 years of its launch on February 11, 1992.
  • Aryabhatta, the great mathematician, wrote Aryabhatiyam and Surya Siddhanta.
    • He placed the value of the first-line number and the use of zero (‘0’).


  • INSAT-1A was a communications satellite and a part of the Indian National Satellite System.
    • It was launched in 1982.
  • Bhaskara-I was the First Experimental Remote Sensing Satellite built in India. 
  • Rohini RS-D1 was an experimental spin-stabilized satellite designed with a power handling capability of 16W.

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