How long one can look after the graves? After buried a person, after sometime the grave is sink into the ground. For how long it can be managed or it is makrooh to manage?
بسم الله الرحمن الرحيم
(Fatwa: 606/541/M=06/1440)
There is no need to look after the graves regularly. If the grave is new or only a short time has passed and the grave is swamped then it may be repaired with soil etc. there is no harm in it according to Shariah.
وإذا خربت القبور فلا بأس بتطيينها وهو الأصح وعليه الفتوى (هنديه)
Allah knows Best!
Darul Ifta,
Darul Uloom Deoband