Bengaluru, Dec. 25 -- It was a short, closed-door meeting, but it was enough to set political circles buzzing once again.

Karnataka Deputy Chief Minister D K Shivakumar's visit to Congress President Mallikarjun Kharge's residence on Thursday instantly revived talk of a leadership churn in the state, even as both leaders publicly maintained that there is no crisis and no confusion at the level of the party high command.

The timing made the meeting impossible to ignore. The Congress government in Karnataka crossed the halfway mark of its five-year term last month, and speculation about a possible change at the top has only grown louder since then. To add to the suspense, Kharge had just days earlier remarked that the so-called leadership co...