ln December 1974, Morarji Desai, gave a threat of staging a dharna inside the Lok Sabha chamber. ln June 1975, Morarji Deshmukh, the Jana Sangh leader, stated that there had to be a Delhi Bandh to compel the Prime Minister to resign.
Source: wiktionary
[…] house-tax having been imposed on the natives during Lord Minto's government […] the Brahmins resolved to try the virtue of a dharna; […] The local government was exceedingly perplexed; for, besides the risk of hundreds perishing, there was the certainty of a famine, from the cessation of agricultural labour if the dharna continued.
Source: wiktionary