of chemicals and other products. Petitioner No.2 is its
Managing Director. In 1988, Government of Maharashtra
had formulated a scheme known as "Modified Package
Scheme of Incentives" as per the Government Resolution
dated 30.9.1988. That Scheme was to provide incentives
in the form of exemption or deferral of payment of sales
tax for certain period to attract the industry in the
backward areas identified as Group-A to Group-D.
Village Rasal, Tal. Sudhagad, District Raigad falls in
Group-B. To avail the benefits under that Scheme, the
petitioners decided to expand and diversify the unit for
manufacture of chemicals in the backward area of Village
Rasal. Under the Scheme, initially, on 4th June, 1993,
the petitioners were issued an eligibility certificate
by the Development Corporation of Konkan Ltd. -
respondent No.4 whereby the sales tax incentives upto
the limit of Rs.2,73,72,900/- for the period of four
years from 7th April 1993 to 6th April 1997 was granted.
This incentive was further enhanced by an addendum dated
2.9.1993 and finally the said limit of sales tax
incentives w as enhanced to an amount of Rs.5,99,57,240
without any change in the period. That benefit could be
taken only within the prescribed period of four years.
Under the said entitlement certificate, the petitioners
would not be liable to pay the purchase tax on the
purchase of raw materials to their vendors, but could