There are two modes for applying for TAN: (1) Online mode and (ii) Offline mode, they are as follows:
OFFLINE—An application for allotment of TAN is to be filed in Form 49B in duplicate and submitted to any TIN Facilitation Centres (TIN-FC). Addresses of TIN-FCs are available at NSDL-TIN website (https://www.tin-nsdl.com).
In case of an applicant, being a company which has not been registered under the Companies Act, 2013, the application for allotment of Tax Deduction Account Number may be made in Form No. INC-7 specified under sub-section (1) of section 7 of the said Act for incorporation of the company.
ONLINE—Online application for TAN can be made from the NSDL-TIN website.
Addresses of the TIN FC are available at www.incometaxindia.gov.in or https://www.tin-nsdl.com.