S. Purushotham And 4 Ors. vs The State Of A.P. Rep. By Its Chief ... on 21 August, 2006
...It is now well-settled by the decision of this Court in State of Mysore v. G.B. Purohit that though a right to be considered for promotion is a condition of service, mere chances of promotion are not. A rule which merely affects chances of promotion cannot be regarded as varying a condition of service....