Hi Molik, I got back my refunded amnt of Mundra the very next day it started refunding.I had applied in ICICIdirect.com . infact, all the IPO's i have applied thru icicidirect , i have got back my money in time ; though saying this the time taken to get the refunded amnt depends on the registrar.
You can check in the site of theregistrar for Mundra www.intimespectrum.com & you can find their contact no..