How to add surname with first name in govt. documents - GOI Gazette procedure help

• An affidavit on a stamp paper
• The original newspaper with the name change advertisement
• The prescribed proforma in printed format, duly signed by the applicant and two witnesses
• Two passport-size photographs
• Photocopies of valid ID proof ( PAN card,  passport ,Aadhar card )
• A CD with a soft copy of the application in .docx format duly filled
• A letter stating that the content in the hard and soft copy of the application is true
• A request letter along with the registration fee to the authority.

also consult a lawyer , that will make things easy and it will cost around 4000-5000 and in 15-30 days it will be published in Gazzate if approved by authorities and can be checked at egazzate. gov .in