Bmtc — hit and run case

My car was hit by bmtc bus bearing number ka-01 fa-2254 on 26.09.2020 at around 6pm when i was travelling back home from office.
This happened near krupanidhi college circle in madiwala/koramangala.
I was trying to take right towards madiwala market when bus hit me as driver couldn't negotiate the bend properly.
He wanted to blame me and run away but traffic cops who were nearby stopped him and asked us to exchange phone numbers and go to madiwala police station and surprisingly, cops left us alone and vanished from there.
My car got a major dent on right side and bumper damaged. I tried to reason with driver/conductor with no luck and neither of them were ready to give out their numbers and come to police station.
After about 20 mins of doing the same, the driver agreed to come to police station and asked me to follow the bus on my car. Like a fool i did and he vanished from there without having any intention to stop at police station.
Have no clue what to do when something like this happens. Driver is trained professional and couldn't see a car on his right while negotiating a bend. And then keeps on blaming others. Is there a redressal mechanism for this, if so please help.
Its gonna cost me. But my worry is that how are these guys are accountable? Can these guys get away just like that?