Funny, you should mention this...
Fearful Muslims adopt Hindu IDs - thestar.com
Analysts say many Muslims from all socio-economic backgrounds are quietly hiding their religious affiliation.
[...]
"Ten years ago, when my house and land in the village was eaten up by a river and I came to Calcutta in search of a job, almost all street shops and restaurants in the city refused to employ me because I was a Muslim," Mollah said.
"Some said their Hindu customers could refuse to eat at their restaurants if a Muslim worked there," he said.
"But I met a Muslim man who worked under a Hindu identity to supply water to restaurants. I followed his advice, picked up a Hindu identity and soon an upper-class Hindu employed me to run a food stall."
Nearly all of Mollah's customers are Hindus and he fears his business would suffer disastrously if his customers found out he is a Muslim.