Utpal Sheth, the 41-year-old chief executive officer of Rare Enterprises, owned by Big Bull Rakesh Jhunjhunwala, recently sold 25,000 shares of bio-ethanol process engineering major, Praj Industries. Sheth currently holds 76,650 shares in the company, which posted an 18% drop in net profit to ₹28 crore and 10% decline in sales to ₹365 crore for the second quarter of this fiscal year.