Since you have made the statement burden of proof is upon you. If you prove that ethnic cleansing happened, we shall put back your commens. And then i don't know why you selected riots in Pujab solely. Muslims in UP saw extreme violence and killing.
Many people I know migrated from East Punjab. I can tell you, the rioting was so bad that even extremely well off muslims who had their business interests in India had *no option *but to leave. Lots died. Its called "rioting" but as the poster has insinuated, it was more along the lines of ethnic cleansing. A really dark chapter in human history, but one which sadly remains much in the dark.