eSRT HP is a free Android application developed by the National Informatics Centre, falling under the Travel & Navigation category and specifically under Maps & GPS subcategory. The app provides a convenient way to calculate payment of Special Road Tax (SRT) for the owners of Stage Vehicle carriage (Private Buses of Himachal Pradesh).

One of the most noteworthy features of the eSRT HP app is that it shows the Due SRT, which is auto-calculated using the SRT formulae based on the parameters of Route Permit issued by RTOs of Himachal Pradesh. The Due SRT can be easily viewed on the app, and it saves the hassle of manually calculating the amount.

Additionally, the app also allows users to view their complete payment history for issued permits, add multiple permits/vehicles for transactions, and view detailed information about issued permits. The app is user-friendly and easy to navigate, making it a convenient tool for Stage Vehicle carriage owners in Himachal Pradesh.