How to submit the demand of tax credit mismatch?

Actually the problem is that i have shown the TAN of the deductor,who has deducted my TDS but has not uploaded and is not shown on 26As.So demand arise as amount is not shown on 26As, i decided to pay the demand and i did,bur still its shows rectification process with demand determine,what shall i do as actually i have paid the demand.

open the  portal, go  to  rectification, open the  assessment  year, they will ask you to  accept the  demand  or file  rectification, if  you  accept demand, then they will prompt you to enter  payment  details, enter  the  same and  they will acknowledge,

allow  3-4  weeks  time  to  make  their  records updated, 

Where i have to go rectification status or rectification request. I have to serve to cpc.

use help of a ca

But demand has been paid by me and again has been raised  by income tax.

click on my  pending actions, select  the year, accept  demand and  enter the challan details, it will issue acknowledgement,  which  would  get  processed within 2/3  week  time 

thank you very much lets me try

May i enter earlier challan number which i have paid earlier.Bcoz same demand arise again.

pending action is not communicated,  so you  have to  enter the  payment  details, viz, BSR  code, date  and  amount, it  will  accept 

it is  just  communication of  payment  made  against the specific demand, not asking to make  payment again