• Passport issues

Respected Sir,
I had applied for passport in the year 2010 and was delivered to me.I travel Hong kong in the same year.I was minor at that time.Now I found that due to hurry my parents had made a mistakes regarding my Date of Birth.Mine actual is 16/6/1992 but in the passport it had mention 26/2/1994.Even we got my BirthCertificate in the year 2010 and it has been registered as 26/2/1994.Everything happened because of our wrong infomation during my 10th board registration.My 10th mark sheet shows the wrong one too.Recently my sister who was born after me on 11th march,1994 had applied for the passport and those officer refuse to give her passport because of one month gap.Now I realize my mistake and need to change everything ASAP.Please need help to sort out this problem.Hope you help me.
Regards.