While addressing a rally in West Bengal's Kharagpur, Prime Minister Narendra Modi Saturday launched a scathing attack on Mamata Banerjee government in the state.

"You must be aware that last night WhatsApp, Facebook and Instagram went down for 40 minutes. Everyone was worried and were tensed for an hour. In Bengal, development, people's faith in the government, their belief has been down for 50 years," said PM Modi.