Sensex eneded lower on poor perfromance by financials and IT stocks.
Roadshows will be held in Singapore, Hong Kong, London, New York and Boston, NTPC gained close to 1%.
In a surprise announcement in April, Sun and Ranbaxy -- at that time owned by Japan's Daiichi -- declared an all-stock deal to create India's largest and world's fifth-largest drugmaker in an over $4 billion deal.
