ClassI legal heirs of Hindu male have 1st right i.e: Mother (if alive as on date of death), Wife (if alive as on date of death), sons, and daughters (pre-deceased and alive as on date of death) ………
Obtain legal heir certificate that is usually issued by O/o Tehsildar.
At some locations per precedence authority may accept legal heir affidavit …………..
It is better to obtain legal heir certificate.
A stranger can not contest the WILL.
An individual that has an interest can contest; say creditor………
Which are other ClassI legal heirs other beneficiary Ies)?
If there is any predeceased son/daughter then their sons and daughters enter the scene……………and their NOC may be warranted….
In case Mother was alive then her NOC is warranted.