Chief Operating Officer Big Data & Security of France-based European Information Technology corporation Atos Pierre Barnabe, left, and Director General of Centre for Development of Advanced Computing (C-DAC) Hemant Darbari, right, sign a contract agreement while French Minister for Europe and Foreign Affairs Jean-Yves Le Drian, second from the left, and Ajay Prakash Sawhney, General Secretary, Ministry of Electronics and IT India, second from the right, observe in New Delhi, India - AP