A.Phypsiograpphic features of the country, conservation of soil and water, regulation of stream flow
B.And prevention of such calamities as floods, land sides, siltation of dams and change in the course of rivers
C.Both (a) & (b)
D.None of these
A.Phypsiograpphic features of the country, conservation of soil and water, regulation of stream flow
B.And prevention of such calamities as floods, land sides, siltation of dams and change in the course of rivers
C.Both (a) & (b)
D.None of these