Demand notice u/s 143(1)a

Dear Sir,

Intimation under sec 143(1) is an auto generated letter , In many cases only soft copy is sent to the registered mail ID and hard copy may or may not be sent...

You can file a revised return even if intimation under sec 143(1) has been given...

In case you are satisfied with the computation by IT dept then you have to pay the tax and the interest would be calculated @ 1% pm from the due date i.e., incase individual it is 31st july and incase of other assesses who are subjected to tax audit it is 30th Sep...