In order to get TDS refund, you are required only to e-file Income Tax Return. And, since you are salaried, you can use ITR 1 to e-file your Income Tax Return. While filing your Income Tax Return online, you need to enter the Form 16 details as place specified in ITR form. Once you are done e-filing, you will get ITR-V receipt (if you are not using digital signature while e-filing Income Tax Return). Now, in order to verify your e-filing, you will have to either verify your e-filing by sending the completely filled ITR-V form to CPC (Central Processing Center), bangalore within 120 days of filing your Income Tax Return via ordinary post or speed post only or you can verify your e-filing by authenticating your Aadhar number using One time password which you will receive on the mobile number linked to your Aadhar number. Once you are done verifying your e-filing, your Income Tax Return will get processed and you will get intimation of that via emil intimation u/s 143(1).
So, after your Income Tax Return gets processed, you will be sectioned the refund (if any).
You can check the status of your refund at following link.
https://tin.tin.nsdl.com/oltas/refundstatuslogin.H T M L
Hope this helps,
Regards,
Prashant