@newgen consultancy Ji,
JSW Cement and JSW paint are of JSW group( Sajjan Jindal).
Around 1990, Shalimar paints was acquired by Ratan Jindal, who holds more than 30 per cent.
Sajjan Jindal, Navin Jindal and Ratan Jindal have different and separate business.
The investment you are mentioning is done by JSW group and now cement and paint division of Sajjan jindal group is led by Parth Jindal, son of Sajjan jindal.