1.Consider a user using units upto 100 units - Rs 1.00
Followed by fixed charge of Rs.20.
Ex: A user A is using 80 units his current charge will be Rs (20+80)=100
2. Consider a user using electricity units upto 200 units - Rs 1.50
Followed by fixed charge Rs.20
Ex :A using units upto 130=(130*1.50)+20
3.Consider a user using electricity units upto 500 units - Rs 2.00 for first 200 units and remaining units Rs.3.00 for users upto 500 units
Followed by fixed charge Rs.30
Ex:a user using 230 units then calculation will be 230= (200*2+30*3)+30
4.Consider a user using electricity units more than 500 units - then for first 200 units its will be Rs.3.00
201 units to 500 units-Rs.4.00
More than 500 units Rs 5.75
Followed by fixed charge Rs.40
