South Bihar Power Distribution Company [SBPDCL] — at rajgir office lcd said coins banned

Address: Nalanda, Bihar

On date 16/11/2017 on sbpdcl rajgir counter lcd said that coins are banned so i am not going to accept your coins because local banks are also banned coins.
I paid 1830 bill at counter in 1700 as note and 130 as 5 rupees coins which is not accepted. He said don't come with coin at this counter...
This happiness every day with only normal people not powerful people..
The laws which created by indian government is unusual.