With the captains of Indian industry, including Reliance Industries boss Mukesh Ambani, JSW Group chairman Sajjan Jindal, Airtel chief Sunil Bharti Mittal, Niranjan Hiranandani and a galaxy of foreign delegates from the US, Germany, Korea, Japan and a host of European countries, Bengal chief minister Mamata Banerjee on Thursday said West Bengal will be the new digital technology powerhouse of India.