History CH 7 - Science and Technology — Social Studies STD 9 — Question

(i) In 1961, Indian National Committee for Space Research (NCSR) launched India’s first research rocket from Thumba Equatorial Launch Centre in Thumba in the State of Kerala.
(ii) In 1969, our indigenously built rocket Rohini-75 was successfully launched.
(iii) The next stage was the successful launch of the first Indian satellite Aryabhatta in 1975 with help from the Soviet Union.
(iv) This success proved that Indian scientists can indigenously build and launch a satellite. Indian scientists were confident that they could acquire the technology for sending a message from the Earth Station and to assess the working of the satellite.