Punjab State Power Corporation [PSPCL] — about huge bill amount

Address: Rupnagar, Punjab, 140116

Hello
Shyam saini from mindhwan lower, post office kotla power house, anandpur sahib, ropar pb. Meter no is 66740. A/c no is r17kp680459a. I received bill four days ago of 5000 rs which is very huge amount. We consumes 3 cfl of 12 watts 4 hours a day, 1cooler and a small tv. How it is possible that this consumption will bring this big amount. Clarify.