Visa Stamping Mumbai on Jan 27th 2011

[simpy]

Hi,

I had my F1 stamped in my passport which is valid until January 2014. After my H1-B petition was denied, I changed my OPT status to H4.

During my visit to India (Jan 2011), I got my visa stamped at the Mumbai Consulate. However, no action was taken on my previous F1 visa stamp. So far as I know and have experienced, they cancel the previous visa without prejudice but this time they didn't.

I was wondering if they forgot to cancel the previous visa or they left it on purpose.

Can someone please help me since I'm leaving for US in May 2nd week. If that's an error made by the consulate, I would still have some time to fix it.

I really appreciate your help.

Thank you!!