Ranjan Gogoi, J.

1. All these appeals being directed against the common judgment and order dated 23.9.2009 passed by a learned Single Judge of this court were heard analogously and are being disposed of by this common order.

2. The writ petitions out of which these appeals have arisen were filed by the respondents/writ petitioners challenging an order dated 13.5.2009 cancelling the contracts awarded to them. The said order dated 13.5.2009 was passed after issuance of show-cause notices to the respondents/writ petitioners and after giving them a personal hearing in the matter. The contracts awarded to the respondents/writ petitioners were cancelled by the impugned order dated 13.5.2009 on the ground that the bank guarantees submitted by the respondents/writ petitioners on account of performance guarantee of the contract works, on enquiry, were found to be fake documents. The further action of lodging criminal prosecutions against the respondents/writ petitioners; black listing them and debarring them from award of future contracts was kept reserved by the impugned order dated 13.5.2009 until completion of the on going police investigation into the matter.

3. For a meaningful an