Bangalore Traffic — Rash driving and misbehaviour

Hi sir, i am going road where at some point two cars doesn't fit. There is cab yellow board guy, who covered most of the road and blocked the road. And he guided me to corss him but there is no space at all. If i take left trun i will down to the drianage and fall with car with family. Underline sir i am with family. Unexpectedly both cars just touched and little paint is gone for both. This happened under the cab driver guidance only. But the driver immediately came down and took my car keys and fought asking for money. This happened for a very long time. And my family is now scared to come on to road. Please take an action sir . The drivers car number is kA389297. His name is Anand. Please take action sir. He took money and then left us. If this is soo we cnt continue to stay in Bangalore. Please take action sir. This driver misbehaved alot.