vs The Cawalior Rayon Silk Manufacturing (Wvg.) Co. Ltd. Ltd.(l) where the respondent company established itself in the State of Kerala for production of rayon cloth pulp on an understanding that the Government would bind itself to supply raw material and later the Government on finding that it was not able to supply the material undertook not to legislate for the acquisition of the private forests for a period of 60 years if the company purchased forest lands for the purpose of its supply of raw material and accordingly, the company did purchase 30,00 acres of private forests from an estate for Rs. 75 lakhs for the aforesaid purpose but the Government enacted Act 26 of 1971 expropriating vast forest areas without paying compensation as a measure of agrarian reform whereupon the respondent company sought to invoke the doctrine of equitable estoppel against the Government, Palekar, J. delivering the majority judgment observed: "We do not see how an agreement of the Government can preclude legislation on the subject.