The swimming-pool-type reactor,Apsara,at BARC.

Apsara,Cirus and Zerlina are the three reactors built by the Trombay scientists and engineers,with foreign assistance. Apsara was built in 1956,Zirus in 1960 and Zerlina in 1961. The credit for establishing these reactors goes to Dr.Homi. j.Bhabha.