It has been alleged that the herbaceous plant 'Bilai Khamchi', which causes itching when it comes in contact with the body, attacks its opponents in Chittagong. Locally in Chittagong this plant is called 'Bandraola'. It causes severe itching when it comes in contact with the body. As a result, the affected person has to stay in discomfort for about 24 hours.

Awami League candidate Abul Hasnat Mohammad has accused the supporters of AF Kabir Manik, an independent candidate from Lalkhan Bazar ward under Chittagong City Corporation, of using 'Bilai Khamchi'. Belal's female supporters.

Asma Begum, a supporter of the councilor candidate in front of Shahidnagar Girls' High School on the day of the polls, said that the female supporters of the rebel candidate had sprinkled 'bilai tweezers' on them.