It refund

U can file the revised return if the time is left for filing of revised return otherwise you should contact Banglore CPC with this issue

Again, In Income Tax site there is option for resent of refund, u can update bank details there.

What is this notice? Is it 143(1)?

Check 26AS. See if TDS has been deposited on his behalf.

You can't revised it if u receive 143(1) .

Submit rectification U/s 154 for correction

I have not received intimation u/s 143(1) for A.Y.2011-12. Am i be able to get refund due?

den chek in 26AS, if there is Showing TDS, den file revised return, and you can get refund after assessment of revised return