10, NELLIE SENGUPTA SARANI, KOLKATA - 700 087 2252 -0894/2252-6789/
2252-9632/2252-2435
cbiecs1955@gmail.com MON-SAT: 11.30AM-7.00PM Excluding(2nd & 4th SAT)

11AM To 7PM

Monday to Saturday.

Sundays ,2nd Saturday & 4th Saturday are holidays.

Office will remain closed in other holidays as applicable in West Bengal.