T-FV-3175 Either you are using old FVU version or old challan file (i.e. .csi file), please use the latest FVU version and challan file available at www.tin-nsdl.com and validate the file.
Solution
I have called the protean helpdesk and they said It is the problem in the utility of proten NSDL.
you can email at tininfo@proteantech.in / tin_returns@proteantech.in