Bengaluru, June 3 -- The elevation of DK Shivakumar as Karnataka Chief Minister signals a decisive political shift by the Congress, driven by intensifying pressure from the emerging Bharatiya Janata Party-Janata Dal (Secular) alignment and rising stress within its own caste coalition.

The move comes at a time when the BJP-JD(S) understanding is steadily redrawing electoral equations in southern Karnataka, particularly in Vokkaliga-dominated regions where vote consolidation is increasingly shaping outcomes.

For the Congress, the development has created both an immediate electoral challenge and a longer-term strategic compulsion.

At the centre of this shift is a recalibration of caste representation at the top of government. Shivakumar's e...