objections and suggestions have to be invited in respect of clauses (a) and (b), it would necessarily follow that if there is a change in the slab which is covered by clause (c), the Collector is obliged to follow the procedure prescribed in subsection (2) in effecting the change in the slab. He further submitted that clauses (a) and (b) though they are only for the purpose of identifying the lands which come within the affected zone and benefited zone, it would not be correct to restrict the procedure envisaged in subsection (2) of Section 13, to clauses (a) and (b) only, as the slabs applicable, are also an important facet of the acquisition. The learned counsel submitted that after the notice under subsection (2) of Section 13, the agriculturist would know whether he would be affected by the proposed notification or not under subsection (1) of Section 13 and, therefore, unless the notice mentions the proposed slab, no agriculturist would know as to whether he would be affected by acquisition or not and, therefore, a notice under subsection (2) of Section 13 must be given also in respect of clause (c) of subsection (1) of Section 13 of the Act of 1986. The learned counsel appearing for the Petitioners, further submitted that reading of Sections 13(3) and 13(4) provides and indicates that for changing any parameter in the notification issued under section 13(1), the procedure contemplated in subsection (2) of