Engine:1512c using Front-mounted Tata-Cummins (Cummins 6BT 5.9L), turbocharged, intercooled. 1510 used TATA's own 697 series engine which is a follower of old TATA - Mercedes Benz Engine.
Now it's not in production. And in BS4 era 1613 Bs4 follows the same engine with time required modifications.