He reportedly tortured some of his victims, some of whom were from his own crew.
Nep, aware of the plan, is able to warn Grewal in time to save his life.
He said that he had felt pressured to do it, due to Bindy's animal nature.
In exclusive interviews with The Sun's Kim Bolan, he warns teens not to be tempted by the promise of wealth and power into a world where gangsters betray their best friends.
Buttar said he was involved in one shipment with Mander, but the quality of the Indian heroin was not good enough for the B.
The Delta police pulled the pair over.