RANCHI, March 28 -- Jharkhand chief minister Hemant Soren would kickstart the campaign of the Jharkhand Mukti Morcha (JMM) for Assam assembly elections addressing a rally in Gossaigaon constituency in Kokrajhar district on Saturday, people aware of the development said on Friday. The JMM is making it electoral debut in the north-eastern state, and has fielded candidates in 21 seats of the 126-memner Assam assembly. In Jharkhand JMM chief Hemant Soren leads the JMM-Congress-RJD combine INDIA bloc goverment. However, in Assam, Soren decided to go solo looking for an expansion of his party outside Jharkhand. Party insiders said the chief minister, who is set to reach Guwahati by Friday night, and would stay in the state for few days campaigning in different constituencies. "The chief minister would be in Guwahati by Friday night. He will be holding meetings besides addressing a rally in Gossaigaon at around 3pm before returning to Guwahati," a senior JMM leader stationed in Assam said. The JMM had issued a list of 21 start campaigners led by Hemant Soren and his wife and member of legislative assembly Kalpana Soren....