Airtel Stores — denied my request with the false information

Address:

603202

Urapakkam airtelstore
1. Why airtel store will not help with customers to change postpaid to prepaid after 6pm?
2. Why airtel store will not get the otp regards the change process after 6pm?
3. Store is running under half shutter before closing time, why so?
4. Store person denied my request with false information?
Complaint number:[protected]&[protected]