Increasing income has limitations , art is in controlling expenditure.By now you must be having farely good Idea on different heads of expenditure ,like on entertainment,grossary,vegitables and fruits,entertainment,tel petrol lighting rent bills,Laundry servant bill,amount on kids , amt on medicine and health food ...etc etc...Now try to find out the absulute necessory fron NOT so absulutly necessory and you will have the solution. Before siting down you should have as much data as possible on above spendings on different heads.