Step 1- The TAN application needs to be filled in Form 49B online available on the NSDL website.
Step 2- One must again check their entire form and click on the confirmation button.
Step 3- After confirmation, one will receive the acknowledgement slip. It would contain a 14 digit number, name and details of Applicant, space for signature and payment details.
Step 4- One must sign the Acknowledgement slip and send it along with a Demand Draft (DD) of Rs. 65 (payable as fees for TAN application) to NSDL, Pune.
Step 5- If all the details are correct and the acknowledgement slip and DD is received by NSDL, they will send the TAN card to the applicant by post.