1. One of her long curly hairs near the bed or on the meds table near Badi Thakurain. With a white table cloth, it could easily be spotted.
2. One of the tiniest bells of her gold payal left under Badi Thakurain's bed, or on her bed.
3. A few sequins from her red/gold saree on the floor near BT 's bed. Only Siddy wears these types of sarees.
Jamuni finds this and brings Shekhar into the room to look at it/them as proof that Sids was there.