As the name suggests, Self Assessment Tax is the tax which is computed by the taxpayer on his own and then deposited with the govt. The Self Assessment Tax shall be paid before the filing of income tax returns.
The Self Assessment Tax to be paid shall be accompanied by Challan No. / ITNS 280. This tax can be paid at any of the authorised banks or can even be paid online.
*Interest under Section 234A if for late filing of Income Tax Returns and Interest under Section 234B/ Section 234C is for delay in payment of Advance Tax.