As per my knowledge goes the concerned RTA office in your area are the right place to contact for the information and guidance you need. But I feel that both in Telangana and AP , the contract given for PUC booths were already allotted and I fear new applications may not be accepted. But since you are having the petrol pump of your own in Nellore even your petrol supplying company can coordinate with the state government and arrange for the PUC center there. So kind explore the two opportunities suggested by me and see that a PUC is established at your petrol pump early.
'Idhuvum Kadandhu Pogum "
Even this challenging situation would ease