Space Three new craters on Mars ▪ The scientists of the Ahmedabad-based Physical Research Laboratory (PRL) have discovered three new craters in the Tharsis volcanic region on Mars. ▪ The three craters are named as follows, ✓ Lal crater- Named after Devendra Lal who is a renowned Indian geophysicist and Director of PRL. ✓ Mursan crater – Named after a town in Uttar Pradesh. ✓ Hilsa crater – Named after a town in Bihar.