Spelling error in sale deed

A. Your seller need to approach the previous seller to execute Rectification Deed before the Sub Registrar office. It can be rectified by way of execution of Register Rectification Deed. But both parties must be present.

B. If you want to purchase this property itself, you don't worry about this, you can mention proper owner name in your sale deed. However, you need to cross verifiy whether Mr. Sunith and Mr. Suneeth both are same by verifying the photo copies in the Sale Deed and you can take notarized one affidavit with respect to the same.

U registration a Rectifiaction Deed at Sub-Registrar office and attached your correct name evidence like :- PAN card, Election Card, Driving License, Pass Port etc.....

Vendor and Purchaser both present at the time of Rectification Deed if Vendor is not then u Registration a Declaration about this matter and attached original Sale Deed Copy with Declaration. 

Just make a Rectification Deed. Go to your state registration website and apply the same. after the quarry, visit ADSR. 

If you want to apply mutation then visit your corporation or BLRO office with the rectification deed and apply for same.