National Highways Authority Of India [NHAI] — overcharged at mandana toll plaza

Address:

Kota, Rajasthan, 324001

I traveled from kota to suket and return from suket to kota by my vehicle no rj20ce9647, i paid through fastag registered by hdfc mo no [protected], i charged 50₹ when i crossed toll at 10:27 am 25/3/20 when i returned same day at 16:03 25/03/20 toll, toll staff stopped me for 15 due to tech issue and charged me double 20₹ and 50₹ which msg i received when i was reached to home i also checked on fastag wallet he overcharged 50₹ and also i feel very disgusting by the behavior of staff