settled legal position that form of notice under section 127 of MRTP Act is not prescribed and as such, the notice shall meet sufficient requirement in describing the land in clear terms and require the planning authority or development authority or the appropriate authority, as the case may be, to acquire or compulsorily purchase the land so reserved, allotted or designated in the development plan. In case, such a notice in a proper form is served on the concerned authority and no steps are taken within six months from the date of service of such notice, the reservation/allotment/designation shall be deemed to have lapsed and the land shall be deemed to have been released from the said reservation. The precondition for the land owner or the person interested to claim benefit under the provisions of section 127 of the Act of 1966 would be to give proper notice describing the land in sufficient clarity and intimating the concerned authority in clear terms. There shall be no doubt that the notice within contemplation of section 127 of the act shall be in the proper form and shall be accompanied by the document of ownership so as to claim the benefit of the deeming provision. Reliance is also placed on the judgment of the Honourable Supreme Court in the matter of Collector, District Gwalior and another Vs. Cine Exhibitors Private Limited and another reported in (2012) 4 Supreme Court Cases 441 contending that the doctrine of estopple shall not operate in the instant matter. The facts giving rise to the abovereferred judgment are totally different and the ratio laid down therein does not apply to the instant petition. Reliance is also placed on the judgment in the matter of Gupta Loom Industries and others Vs. The State of Maharashtra and others reported in 2015(6) All MR 307 . The Division Bench while dealing with the