Rto India — vehicle have private board at front and taxi board at backside

Address:

19th crossroad, vishwapriya layout, begur, Bangalore, 560068

Hello, my name is rohit krishnan. Iam working at bangalore. Working as an employee in unipro x2.
Sir, i have been met with an accident at kudlu gate signal near hyundai showroom. He was over taking me from left side, suddenly that made me fall on a side. I followed the vehicle and found that vehicle have private board at front and taxi board at backside. Please help. I need to file the case.