sir my correct name in 10 marksheet is nisha devi and my father name is satyabir singh and my mother name is pramila devi but thers is mistake in 12 marksheet as per 12 marksheet my name is nisha devi ( correct name) and my father name is satybir ( missing the letter A ) and my mother name is pramila ( missing devi) 2013 from CBSE board sir please tell me how to correct my marksheet after 2 year