First of all you have to download tds prepration utility (etds_rpu_4.3) from tin nsdl site and install it in your systems. than u have to follow the following procedure:
Step-1 first of all select form e.g. 24Q, 26Q etc and regular or correcton
Step-2 Fill return Period and deductor full details
Step-3 in Challan colloum you should enter number of row which you required and fill challan details as per your already paid challan
Step-4 in annexure-1 first of all you have entered number of row required( total noumber of deductees Record) and entered details of all deductee
Step-5 you have to download CSI file from NSDL Site
Step-6 Finally you should click on create file and upload the csi file under respected head and than select path to create your tds retun