India, Aug. 2 -- Prior to 19th Dec 1961, Goa was a Portuguese territory and mining concessions granted under the Portuguese Mining Colonial Laws 1906. After Goa becoming the part of Indian union in the year 1961, mines and minerals development and regulation act 1957 was extended in Oct 1963 to Goa. In the year 1975, notices were served to mining concessionaries under the mining lease modification terms rule 1956 by the controller of mining leases to bring it in parity with provision of a MMDR act, Mineral concession rule and MCDR.

So adrift by these notices, mining concessionaries went to Bombay High court and Bombay High Court in its judgment on dated 25th September 1983, restrained the Government of India or Union of India from treati...