National Highways Authority Of India [NHAI] — double charges for toll personal on fastag showing blacklisted while I have sufficient fund in my fast tag

Address:

14/H/227 Indira Gandhi Nagar, Jagatpura, Jaipur, Jaipur, Rajasthan, 302015

I was travelling from bharatpur to jaipur on dated 17/12/2019 having fasttag my vehicle rj14 wc0852 at 20:56. At toll plaza (Km-98+600) NH 12 I crossed from fast tag lane, the machine could not recognized and shows fat tag blacklisted, though I have sufficient fund my my fast tag. In the morning hour this fast tag was workings properly and on return this incident took place.
The toll plaza person charged me double i.e rs 80 (40+40). He could not convinced and forced me to pay double in cash. I paid double and crossed the toll. It was very humiliation situation for me.

My humble request to refund the rs 40 in my fast tag account at the earlies.

Hope you will consider my request and reply.