Consider the following statements about Indian forestry: 1. About 40 per cent of the Indian forests are in the inaccessible mountainous regions whic

Consider the following statements about Indian forestry: 

1. About 40 per cent of the Indian forests are in the inaccessible mountainous regions which impode the speedy transfer of felled trees. 

2. Although according to India’s forest policy, a high proportion of the land area shall be covered by forest except in some states, the percentage of forest cover is precariously low. 

3. Exploitation of forests is less time consuming and less costly, as almost in every forest a single type of tree dominates. 

4. The annual productivity of the forests is 3.5 cubic metres per hectare. 

Of these statements (a) 1 and 2 (b) 1, 2 and 3 (c) 3 and 4 (d) 1, 2, 3 and 4