Kohli's root

I am Lalit Kohli, looking for my grandparents- roots who lived in Sialkot,Naulakha pind, before 1947....

I am creating " family tree" , therefore intersted to have more info on my Granparents- Ganpat Rai Kohli- Rishikesh Kohli and Bihari lal Kohli,

I would like to have more information about them

Regards,
Lalit Kohli