To get maximum benefit out of PPF you should deposit in the month of April Preferably before 5th. PPF is calculated based on number of days the money is in the account.
Ex If you deposit 10000 on April 1 2009 On April 1 2010 your money will become 10800. If you deposit 10000 on October 1 2009 , On April 1 2010, your oney will become 10400 only.
