What is advance tax

tax liability after adjusting MAT , AMT , TDS , TCS , Rebate , Relief etc > Rs. 10,000 then a person is required to pay advance tax as follows :

Due dates              % of Advance Tax Liability 

15-JUNE                  @ 15% 

15-SEPT                  @ 45% 

15-DEC                    @ 75% 

15-MARCH              @ 100% 

Non payment of advance tax will attract Interest u/s 234B / 234C .