Submit death certificate, legal heir certificate, and even decree from court to the authority under whose jurisdiction property falls and get the inheritance mutated in the names of all legal heirs and obtain latest/update mutation records.
Thereafter all legal heirs have rights equal to that of owner to the extent of their share and can act like owner.
The share does not vanish with time.
It is dishonest, bad faith possession.
Take possession of respective shares and claim mense profits and partition by metes and bounds.
Amicable settlement, Registered Family agreement may be tried and if possible this can e the easiest and quickest remedy.