All the events from Primary Stock Market (IPO/Initial Public Offering) has mentioned over here in a calender form for having a bird-eye view of things going to happen in a month. You can track the events from here.
Calander given below shows IPO events for the month of April 2012.
Market Holiday - Mahavir Jayanti
Market Holiday - Good Friday
National Buildings Construction Corporation Ltd IPO - Allotment
MT Educare Limited IPO - Allotment
National Buildings Construction Corporation Ltd IPO - Listing
MT Educare Limited IPO - Listing
Tribhovandas Bhimji Zaveri Ltd IPO - Open
Tribhovandas Bhimji Zaveri Ltd IPO - Close