What was Rakesh Jhunjhunwala's profession?

Which company's shares gave Rakesh Jhunjhunwala his first significant profit?

What investment approach did Rakesh Jhunjhunwala emphasize?

What did Rakesh Jhunjhunwala believe was crucial before investing in a company's stock?

What quality did Rakesh Jhunjhunwala advise investors to cultivate to avoid impulsive decisions?