In which year the Jharkhand Mukti Morcha organised?

1955
1950
1973
1980

The correct answer is C. 1973.

The Jharkhand Mukti Morcha (JMM) is a regional political party in India. It was founded in 1973 by Shibu Soren to fight for the creation of a separate Jharkhand state for the tribal people of the region. The JMM is the main opposition party in Jharkhand.

The other options are incorrect. Option A is incorrect because the JMM was founded in 1973, not 1955. Option B is incorrect because the JMM was founded in 1973, not 1950. Option D is incorrect because the JMM was founded in 1973, not 1980.