( 1 ) IN these three petitions, a common question has been raised for our consideration and the question is as to the effect that when promotions of Scheduled Tribes/scheduled Castes (ST/ SC for short) employees are effected from the cadre of clerks, clerk-typists. and typists in the Revenue Department of the State of Gujarat working in different collectorates to the higher posts of Deputy Mamlatdars on application of roster system and when contingency arises for effecting reversions from the promotional posts of Deputy Mamlatdars on account of cancellation of posts on any administrative ground, whether these ST/ SC promotees can legitimately contend that till percentage of reservation of the post for them in the promotional cadre is not exceeded, they cannot be reverted and instead, promotees from the general category should be reverted irrespective of their inter se seniority in the promotional cadre of Deputy Mamlatdars.

( 2 ) THE petitioners in this group of petitions represent general category of employees who contend that their colleagues who belong to ST/sc and who are also promoted as Deputy Mamlatdars, should not get benefit of such percentage of reservat