You need to change the entire handle bar setup. There one you tube channel by name of Ride with raj check that. He has in past changed the handle bat of cgt.
Or u can simply go to ur local auto parts market and look for off road handle bar.
In Delhi u can visit karol bag, there is Huge rider and golden bikes and few others.
In Gurgaon there is one shop called fatboy custom search for them online they might help you.