SpiceJet’s Chairman & Managing Director Ajay Singh has assumed charge as the President Assocham, replacing Renew Power MD Sumant Sinha after the completion of his tenure. Sanjay Nayar, founder and Chairman of Sorin Investment Fund is the new Senior Vice-President of Assocham, the industry body said in a release on Wednesday. ”I am taking over at times which are both exciting and challenging. As an economy, India stands out as a robust economy in the midst of global headwinds. Even when major economies of the world are facing the threat of recession, the Indian economy is growing between 6.5-7 per cent,” Singh said.