N. Kumar, J.

All these writ petitions are preferred against the common Order passed by the Central Administrative Tribunal, Bangalore Bench, on Applications No. 471/2010, 443/2010, 486/2010, 41/2011, 54/2011, 289/2011 and 294/2011. Therefore, they are taken up for consideration together and disposed off by this common order.

FACTS OF THE CASE

2. For the purpose of convenience, the facts set out in O.A. No. 471/2010 are set out as under:

The applicants in O.A. No. 471/2010 are directly recruited as Deputy Superintendent of Police through Gazetted Probationers competitive examination conducted by the Karnataka Public Service Commission. The first applicant Sri. B.S. Lokesh Kumar was appointed on 15.03.1997; whereas Applicants 2 to 6 were recruited in the year 2006. The main police service in the State of Karnataka is Civil Police, which carriers out the maintenance of law and order, investigation of crimes and mainly detection and prevention of crime. Apart from the main Police, there are other auxiliary police forces in the State of Karnataka such as (1) Karnataka State Reserve Police, (2) Armed Reserve and (3) Wireless Police. In the recruitment of Police Officer through gazetted