Indigo cultivation in India declined by the beginning of the 20th century because of(2020)
a) Peasant resistance to the oppressive conduct of planters
b) Its unprofitability in the world market because of new inventions
c) National leaders: opposition to the cultivation of indigo
d) Government control over the planters
In the beginning of the 20th century, with the invention of synthetic indigo which was cheaper and took less time during production than agricultural indigo, the demand for indigo cultivation in India declined significantly. Synthetic Indigo made natural indigo non-profitable for farmers as well as traders.