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.
The text describes two engines: 1512c and 1510, both featuring a front-mounted configuration and turbocharged intercooled technology.  The 1512c utilizes a Cummins 6BT 5.9L engine while the 1510 uses TATA's own 697 series engine, which is based on an older design from TATA and Mercedes Benz.