27 January 2010
Credit of tds not deposited by the party is not admissiable to you . Refer Form Dvat -43 of Dvat-04 . according to DVAT-43, receipted challan is must for geeting tax credit .
28 January 2010
i think you must diposit your total liability i.e. 1.8 lakh, and subsequently you can take credit of WTDS, when party provides you certificate along with challan.