On May 28, two TMC MLAs, including Mukul Roy's son Subhrangshu Roy, along with 63 municipal councillors joined the BJP in Delhi. Along with Subhrangshu and Tushar Kanti Bhattacharya, a CPI(M) MLA Hemtabad Devendra Roy also joined the BJP in the presence of West Bengal BJP in-charge Kailash Vijayvargiya.
Mamata Banerjee also changed the profile picture of her official Twitter page and Facebook account.
https://www.indiatoday.in/india/story/west-bengal-post-poll-politics-capturing-offices-tmc-bjp-1541234-2019-06-03