Indigo cultivation in India declined by the beginning of the 20th century because of
Indigo cultivation in India declined by the beginning of the 20th century because of
peasant resistance to the oppressive conduct of planters
its unprofitability in the world market because of new inventions
national leaders' opposition to the cultivation of indigo
Government control over the planters
Solution
Discovery of synthetic indigo by German chemists (Baeyer in 1878, mass production by BASF from 1897) made natural indigo unprofitable in the world market. Answer: (b).