Name in documents.. Alias

Respected Sir, Myself Aryan@Bhim Sein was enrolled in board in 2005 under Enrollment no. 04-1-HI-539-0018..In 2008 i changed my name from Bhim Sein to Aryan ..Board issued me certificates of 10th and 12th as by name Aryan @ Bhim Sein ..But my name in all document like Adhar Card,DL,Voter id, pan card and even in my birth certificate is only Aryan issued with new name ...Now I am facing a lot of trouble in passport making due to this duality in name in certificate of 10th..currently i am doing my masters in Veterinary Pharmacology from LUVAS Hisar..I want to go foriegn in pursuit of Phd in Veterinary Pharmacology...University personals are saying if you will rectify this thing from board we also rectify this thing....so respected sir plz suggest me how can I get certificates with rectified name only as Aryan..so that i can apply for passport ..plzz sir consider this case seriously..I am suffering a lot because of this issue...my teachers are saying that you will also suffer while applying for goverment job as Veterinary Suregon..If you will provide me the rectified certificate getting procedure i shall be thankful to you for this kindness.