Bengal CM Mamata Banerjee questions the use of 'Khalistani' remark for a Sikh IPS officer and criticizes BJP MLA Suvendu Adhikari. Punjab CM Bhagwant Mann and Shiromani Akali Dal's Harsimrat Kaur Badal join the protest. Sikh organisations in Kolkata demand an apology from BJP and Adhikari. Congress MP Rahul Gandhi accuses BJP of spreading hatred.