New Delhi, May 29 -- West Bengal CM Mamata Banerjee said on Thursday "What Modi ji said today, we are not only shocked but also very sad to hear this, when the Opposition is representing the country...In his presence his minister said that they will do Operation Bengal, like Operation Sindoor. I challenge them - if they have guts, go into elections tomorrow, we are ready and Bengal is ready to accept your challenge. But please remember, time is a factor. You must remember the time. Our representative Abhishek Banerjee is also in the team. And he is speaking every day against terrorism, against terror. At that time, Mr Modi, not as the PM but as the BJP president, you are criticising the Government (in Bengal) which is giving you full supp...