By mistake wrong date mention on birth certificate form and aff

Hello sir , I am akash sharma from delhi , i have in my birth. Certificate that By mistake wrong date mention on birth certificate form and affidavit as well , actually what happen , my friend fill the form make affidavit on behalf me and i had only signed that paper .. didnt check the detail ,but he by mistake mention my date of birth is 20.04.1994 but my actual birth date is 24.04.1994 , i knw that was my biggest mistake but i got my birth certificate from (MDC north) ,,,, Thn i submitted my application for correction in date of birth with all same doc which I submitted before in mdc as well as in SDM office . But when i met with SDM personally he said i am not doing this because its your mistake ,you mention wrong date in affidavit ,thn i Clarify sir i now that but it just a clarical mistake even i attached my education and identification doc as well even i submitted my apologies application with new and correct affidavit . Thn he said i will examine your doc , if i feel not good ... i cant do ..... please help me out