National Highways Authority Of India [NHAI] — Toll charging amount is different for same distance on same route is direction wise

Travelled from Agra to kannauj and back on same day

1) Paid Rs 375 from Agra to kannauj,
2) Paid Rs225 from Kannauj to Agra.

Both deduction detail received via Sms from Fastag Airtel are as below ;

1) " Paid Rs.375 at ALEP Main Plaza 21 of DL9CAL6585 on 08/03/21 10:41:48. Avl Bal Rs.2549.49 Txn ID: FT[protected] "

And on return direction pay.ent detail is as below;
2). " Paid Rs.225 at ALEP Ramp Plaza 193 of DL9CAL6585 on 08/03/21 18:05:51. Avl Bal Rs.2324.49 Txn ID: FT[protected] "

Pl see this and return my extra money