For seamless online filing of TDS returns, ensure you have the following details:

TAN Information: It is necessary for the identification of a deductor
PAN Information: The deductor as well as his deductee's PAN details are required so that correct tax payments can be attributed to the same
Records of Previous TDS Filings: It is needed as a reference or to carry on some earlier record
TDS Filing Period: This is the quarter or annual for which the return is being filed to be in line with tax periods
Incorporation Date: The date of business incorporation may have to be provided, particularly for new filers or for the first time filling in a fiscal year
Transaction Count: Report the total number of TDS transactions covering the period for error-free return processing
Entity Type: It should be indicated whether the entity is a Proprietorship, Partnership, Company, or LLP as it determines applicable tax norms