Passage: Sriharikota is a barrier island off the Bay of Bengal coast located in the Nellore district of Andhra Pradesh, India. It houses the Satish Dhawan Space Centre, one of the two satellite launch centres in India (the other being the Thumba Equatorial Rocket Launching Station in Thiruvananthapuram). Indian Space Research Organisation (ISRO) launches satellites using multistage rockets such as the Polar Satellite Launch Vehicle and the Geosynchronous Satellite Launch Vehicle from Sriharikota.

Question: How did the Indian Space Research Organization launch satellites?
multistage rockets