Tds certificate form 16a download not getting opened up

with the Form 16 rar file there is also one additional software for certificate generation namely  PDF Converter Utility.

For detailed procedure go to nsdl site --- Services --- Procedure to convert Form 16/16A text file to Form PDF File

here you will find the procedure of conversion.

password is tan registration no ie T201XXXXXXXX

it will unzip in txt format

now use txt file in convertor

u can also use local software vendor to convert nsdl site

or u can use saral tds software 

it automatically download the certificate from nsdl site and converted into pdf file