Election Commission Of India [Eci] — change in voter card spelling mistake

Address:

Ludhiana, Punjab, 141002

I yashminder singh apply on line in nvsp portal for change in my father name with required documents. My reference number oca[protected] & oqv[protected] were shown rejected without any reason. Again apply the same on[protected] under reference number oaa[protected] and oer[protected].
Pls help me to change my votar card so that i can make benifite of this card.