RTO India — Delay of issuing vehicle RC card and 2nd time life tax collection at the time of reregistration

Address:

Flat.No.304, Sai Srinivasa Residency, machabolaram , dist- Medchal, secunderabad, Telangana. Pin-500010

I have completed the process of my vehicle registration in the month of September 2020 and they allotted vehicle registration number in September 2020. But till the date RC card not issued . My vehicle is transferred from other state and re registration done and they collected road tax 2nd time even i paid life time tax in Chhattisgarh state, but even that Medchal RTA collected again tax from me, is there any rule to take refund of earlier which i have paid life tax of vehicle in Chhattisgarh state and when i am getting my RC card of vehicle and what is the reason for delay of card.
Vehicle new registration number is TS08HE2341