If the SAD comes to power after the polls, a criminal case will be registered against Charanjit Singh Channi for "fraudulent misuse of public funds" as chief minister by placing "false advertisements", the party's chief Sukhbir Singh Badal said on Monday. Interacting with reporters after canvassing for Shiromani Akali Dal (SAD)-BSP alliance candidate in the upcoming Assembly elections Hardev Singh Megh, he said it is a crime to misuse public funds.