Tds

Hello Everyone,

Can anyone please help me in deducting interest for late deduction 

Let take an example

1 For salaried person 

 Monthly salary : 35000 x12 = 420000

80 C exemtions claimed in starting of the year = 1.5 lac

THen tax calclation will be 

420000 

-19200 transport

-150000 80c saving 

Net : 250800

but in feb month we i got investment proofs then he submits me only proofs of rs 110000/-

420000

-19200

-110000

net 290800

Tax 4203 /-

so is 1% simple interset needs to be calculated or not if yes then in how manner 

please help me 

Thanks in advance