In a tweet Aam Aadmi Party MP, Bhagwant Mann said he is resigning as a president of AAP Punjab unit but his fight against drug mafia and all kinds of corruption in Punjab will continue as an Aam Aadmi’ of Punjab.Mann’s decision came a day after Delhi AAP chief Arvind Kejriwal tendered apology to former Punjab Minister Bikram Singh Majithia for leveling unfounded allegations relating to his involvement in drugs trade.