Question

Why is high level of buffer stock undesirable?

Answer 1

However high level of buffer stock of food grain is considered undesirable because high quantity of stocking would certainly result in rotting of grains in the granaries

Answer 2

a. The government can take steps like maintaining a buffer stock of food grains that can be used in crisis situation. A buffer stock of food grains is created by the government so that it can be distributed in the food deficit areas and among the poorer strata of the society at a price much lower than the market price
b. This will  help to  resolve the problem of shortage of food during adverse weather conditions or during the periods of calamity.
c. However high level of buffer stock of food grain is considered undesirable because high quantity of stocking would certainly result in rotting of grains in the granaries  and being eaten by rodents.
d. It leads to wastage of food grains
e. It also impacts the quality of food and may lead to deterioration 
f. High level of storing food grains also increases the maintenance cost , storage cost putting onus on the FCI