S.R.Rao found at Lothal “terracotta wheels ...with diagonal lines suggesting spokes” (1973:124). - Shikaripura Ranganatha Rao

The chain of tectonic events... diverted the Satluj westward [into the Indus] and the Palaeo Yamuna eastward [into the Ganga]... This explains the ’death’ of such a mighty river [ i.e, Sarasvati] ... because its main feeders, the Satluj and Palaeo Yamuna were weaned away from it by the Indus and the Ganga respectively.

There is no indication of any invasion of Indus towns nor is any artefact attributable to the so-called ‘invaders’.

When I was repairing the temple of Dwarkadeesh at Dwaraka (on land) I had to demolish a modern building in front of it and I found the 9th Century temple of Vishnu. I got curious and dug further deeper (30 ft) in 1979-80 on land. We found two earlier temples, a whole wall and figures of Vishnu. We dug further and actually found eroded material of a township lying at the bottom. Then arose the question of dating the remains of the township destroyed by the sea. Thermo-luminescence dating revealed a date of 1520 B.C. The Mahabharata refers to Dwaraka ...