The Gorkha Janamukti Morcha (GJM) party has long campaigned for a separate state for Nepali-speaking Gorkhas in the tea-producing Darjeeling hills.

BBC: Gorkha ethnic group in autonomy deal with India

In the past week the Gorkhas, ethnic Nepalis living in West Bengal, have said they will organise strikes to promote their demand for a Gorkhaland, while the Bodo tribe has issued new demands for a Bodoland, separated from the state of Assam.

ECONOMIST: Attempts to satisfy demands for local autonomy backfire