The combined market valuation of seven of India's 10 most-valued companies declined by Rs 1.54 trillion during the holiday-shortened trading week. 

As per IANS, during the week, the Sensex fell 639.61 points, or 0.84 per cent, while the Nifty slipped 171.55 points, or 0.72 per cent, as investors remained cautious amid market volatility.