Why is Sukhbir Singh Badal DEMANDING CM Channi's Resignation

The politics have intensified in Punjab over the ED raids on Chief Minister, Charanjit Singh Channi's realtive in illegal sand mining case. Targeting the Congress Party over the same, Shiromani Akali Dal's Sukhbir Singh Badal has demanded the resignation of Chief Minister Channi. The opposition in Punjab has received a chance to attack Congress and Channi.