The petition contended that the poll panel erred in holding that disqualification under the Tenth Schedule and proceedings under the Symbols Order operate in different spheres and that disqualification of MLAs is not based on cessation of membership of a political party.
The sources said the opposition leaders would now plan joint rallies that were put on hold due to the assembly elections.
Maharashtra Chief Minister Uddhav Thackeray has handed over portfolios of nine rebel ministers, who are currently camping in Guwahati, to other ministers.
Shiv Sena minister Aaditya Thackeray on Sunday claimed that over a month ago, Maharashtra Chief Minister Uddhav Thackeray had asked party leader Eknath Shinde whether he wants to become the chief minister, although the latter had sidestepped the issue then.