TDS full form is (Tax Deducted at Sources) and to check TDS follow these steps bellow:-
First Register yourself
Click on Registration and select as Individual
then fill the Pan card details
PAN no, Surname, middle name, Last name and Date of Birth and then click on residential (if you live in India) or Non-Resident (who stay of India) and continue
after that you have to fill the details like your Adress and create security questions answes then submit and variefy with OTP (one time password).
2nd Log in after that
3rd click on My account and select view form 26AS
then click on continue and after that check a box and then click on view tax credit form 26AS
and lastly choose year and HTML and then click on view
you can view and also can download PDF file of it.