New Delhi, Dec 19 (ANI): Political parties in India taunted the BJP for sidelining its senior leader LK Advani, after RSS Chief Mohan Bhagwat on Tuesday said that his experience was indispensable to the party’s success. The Hindu-nationalist Bharatiya Janata Party (BJP) had been crippled by infighting among leaders, with several, including Advani, harbouring ambitions to become India's next prime minister.