PUDUCHERRY: The Joint Action Committee of Ministerial Staff Organisations have decided to launch a series of protests from February 9 to put forward their demands including immediate filling up of over 200 vacant posts of supervisors, implementation of basic pay of a minimum of Rs.12,900 for ministerial assistant posts and revision of recruitment rules. They have decided to go on indefinite fast from February 23 if their demands were not fulfilled, according to a release.