can you please clarfify if am i eligible for gratuity.

I have worked from 03-11-2006 to 09-30-2011 in my previous company. All of a sudden our process is take over by other company and we were revlieved yesterday. I must join the other company on monday. I am short of 3 days to get gratuity. Can i still be eligible. Does maternity leave also included in it as i have availed 4 months of leave in the year 2008 from aug to nov. Kindly clarify.