regarding refund

m baul (service) (69 Points)

30 March 2018  
Dear sir/madam

my previous employer did not deposit my TDS amount which is deduct in dec-16 i.e AY 17-18. Tomorrow 31.03.2018 is the last day to file the return .

pl. suggest how I claim the refund amount.

I asked the co. regarding the matter but co. did not response .