North Bihar Power Distribution Company [NBPDCL] — change consumer category

Address:

844504

Sir i have the honor to request that my name is tapeshwar singh village jafrabad post desari, my consumer no. [protected], acc. No. D1422,
Sir, my consumer category is ds1 but wrongly bill come in ds2d so please change my category from ds2d to ds1 as soon as possible, so i pay bill time to time. And one meter no. Generate two bijli bill, so please help me to solve this problem
Thanks