After TMC MP Kalyan Banerjee reportedly smashed a glass bottle during a heated exchange with BJP MP Abhijit Gangopadhyay in the JPC meeting on Waqf (Amendment) Bill, Dravida Munnetra Kazhagam (DMK) Deputy General Secretary, A Raja on Wednesday said that the incident was an unpleasant one and and further added that the proceedings in the meeting were confidential and not meant to be disclosed.