Pepsu Road Transport Corporation — Overcharging fare

Address:

Ludhiana, Punjab, 141013

I was traveling through ticket no. 103488 09/6/17, 010:08:52 from nabha to malerkotla. Fare as per ticket 53/- charged 55/-.
I am travelling through ticket no. 125971 dt. 09/6/1710:52:59 from malerkotla to ludhiana. Total fare as per ticket 83/- but charged 85/- is there any tradition to charge 2/- extra per ticket. Please clarify.
Ashwani. [protected]@gmail.com