If person holding land more than the ceiling limit, transfer by way of sale, mortgage, gift, lease or otherwise of the excess vacant land shall be deemed to be null and void.
2) you can visit the local Tahsil Office and inquire IF this particular survey no. is within the Land Ceiling Act and whether Govt. has passed any order to collect Penalty charges to remove the Land Ceiling provision for this land.
3) if tehsil office confirms that orders are passed fir removing land ceiling provisions then only sell the land