First of all, let you be 100% sure that the land is RURAL AGRICULTURAL land.
As Per Section 2(14 )” capital asset” means property of any kind held by an assessee, whether or not connected with his business or profession, but does not include-
(iii) Agricultural land in India, not being a land situated-
a) In any area which is comprised within the jurisdiction of a municipality (whether known as municipality, municipal corporation, notified area committee, town area committee, town committee, or by any other name) or a cantonment board and which has a population of not less than ten thousand [according to the last preceding census of which the relevant figures have been published before the first day of the previous year]; or
b) In any area within the distance, measured aerially,-
(I) Not being more than two kilometers, from the local limits of any municipality or cantonment board referred to in item (a) and which has a population of more than ten thousand but not exceeding one lakh; or
(II) Not being more than six kilometers, from the local limits of any municipality or cantonment board referred to in item (a) and which has a population of more than one lakh but not exceeding ten lakh; or
(III) Not being more than eight kilometers, from the local limits of any municipality or cantonment board referred to in item (a) and which has a population of more than ten lakh.
Explanation.—For the purposes of this sub-clause, “population” means the population according to the last preceding census of which the relevant figures have been published before the first day of the previous year;
Thus, This condition is satisfied than agriculture land will be rural agriculture and accordingly not liable for capital gain tax.