Billionaire Mukesh Ambani-led Reliance Industries on Wednesday became the first Indian company to hit the Rs 19 lakh crore market valuation mark following a rally in its share price. Reliance Industries shares rose as much as 1.85 per cent to hit record high of Rs 2,827.10 on the BSE. On the National Stock Exchange, it rose as much as 1.9 per cent to hit an all-time high of Rs 2,828.