She had not started her speech when the slogan was raised by a section of the crowd at the Victoria Memorial event to celebrate the 125th birth anniversary of the legendary freedom fighter. 

"This is a government programme and not a political programme. There has to be dignity. It doesn’t behove anybody to invite people and insult. I won't speak. Jai Bangla, Jai Hind," she said, wrapping up. 

Tagging a one-minute video depicting "what exactly happened", Derek tweeted, "Dignity (noun). The state or quality of being worthy of honour and respect. You can't teach ''dignity''. Nor can you teach lumpens to be dignified. Here is a one-min video of what exactly happened today. Including the dignified response by @MamataOfficial."