In the context of food and nutritional security of India, enhancing the 'Seed Replacement Rates' of various crops helps in achieving the food production targets of the future. But what is/are the constraint/ constraints in its wider / greater implementation?
Select the correct answer using the code given below.
(a)
1 and 2
(b)
3 only
(c)
2 and 3
(d)
None