Indian stock markets saw a robust start on Monday, with Sensex jumping over 600 points and Nifty gaining nearly 186 points amid positive mixed global cues. Broad sectoral buying and gains in key stocks supported the rally. BulletsIn Sensex surged 624.24 points (0.80%) to trade at 78,665.83. Nifty climbed 185.95 points (0.79%) to 23,773.45. Nifty



