Answer:
(Fatwa: 137/97/D=1434)
Keep them in any carton or bag and dip it into the river after tying with heavy brick or stone; so that it could go down to the ground. The other option is to dig a pitch of 3 or 4 fit and bury it inside.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
