Interest applicable or not

Dear all

I have return file of F.Y. 2012-13 ITR4s. Received notice u/s 143 Intimation that Depriciation charges Add back Of 17280/-   shown on U/s  143 Of Rs. 1780/-  But till date have not paid to above tax liabilities.  now i want to be paid 1780/-  how can amount to be paid as Interest on Rs.  1780/- and which section come under Interest paid.

Please  reply any one as soon as  above ?

thanks & Regards

Ramanuj