15.
A:
Encouraging the farmers to use their own farm seeds and discouraging them to buy the seeds from others
B:
Involving the farmers for training in quality seed production and thereby to make available quality seeds to others at appropriate time and affordable cost
C:
Earmarking some villages exclusively for the production of certified seeds
D:
Identifying the entrepreneurs in village and providing them technology and finance to set up seed companies
The answer is: B