Petitioners seeking writ of certiorarified mandamus to quash the Proceedings of the 1st Respondent determining the lease by invoking clause 22 of the lease deed.

2. Since common points are involved, all Writ Petitions shall stand disposed of, by this common order.

3. Facts in nut shell which led to the filing of Writ Petitions are as follows:

.(i) Writ Petitioners are granted lease of the lands belonging to the salt department in Adhiramapattinam/Thambikottai salt factory for different spells. Lease deed was executed by the Writ Petitioners. Writ Petitioners are liable to pay the assignment fee based on manufacturing limit. During his visit to salt factory the Assistant Salt Commissioner noticed the indulgence of the Writ Petitioners in an unauthorized prawn culture activity and the matter was reported to the 1st Respondent.

.(ii) Writ Petitioners were served with show cause notice to stop the unauthorized activities of prawn culture and dismantle the prawn bunds. In response, the Petitioners have sent their reply denying indulgence in prawn culture activity. Upon consideration of the representation, by the impugned order dated 10.08.2004 invoking Clause 22 of the re