Let us assume that:
----June 16 is your last month.
----and May16 salary has been paid by say 31st May/7th June16, and it was not withheld due to resignation and was to be paid in FnF.
----and you have worked upto 18th June,2016.
----and 18 days salary of June 16 is computed in FnF statement.
If such be the situation then company shall not compute 1 month 18 days salary in FnF.
Isn't it?
Has the company supplied last month ( say June16) and ( last tom last month say May16) salary slips and From16?
A comprhensive discussion with citations, is available at the above mentioned thread i.e.:
There are many threads at LCI on similar query e.g;
https://www.lawyersclubindia.com/forum/Tax-exemption-on-notice-pay-49561.asp
You may show everything to your counsel, ITax lawyer or CA and if the stand of company is wrong then issue a notice to the MD, Head-Finance that has signed on Form16 and HR personnel that has signed on FnF statement...............................
Your counsel may also opine to complain to IT-TDS where you file ITR and jurisdictional CIT-TDS where company files ITR.