After August 1st, 2012, Ufone will charge its customers 15 Paisas plus tax or 18 Paisas (including tax) for all balance inquiry requests through *124# or by dialing 124.
Ufone earlier charged 10 paisas plus tax for balance inquiries.
Ufone website, while announcing the increase in balance inquiry charges said:
Dear Customer, Ufone has always provided U with impeccable services and affordable rates, balance inquiry charges will be 15 paisa +tax w.e.f 1st August 2012.
Here is the press ad from Ufone: