The power tussle in Karnataka Congress has intensified, with Deputy Chief Minister DK Shivakumar hinting at stepping down as KPCC chief, saying it is time for others in the party to take charge. He, however, maintained that he will continue to remain in frontline politics, signalling a possible shift in internal leadership. Meanwhile, Chief Minister Siddaramaiah's meeting with Congress president Mallikarjun Kharge has added to the buzz around a possible cabinet reshuffle, deepening speculation of growing fractures within the state unit.