Analysts are looking for stocks that can potentially double on FY-2011 earnings estimate i.e within a time frame of 24-36 months. ENAM has researched some based on, imputed EPS FY 2011 calculated to achieve a stock price doubling. They have covered only stocks with Market Cap greater than $2bn who have reasonable chance.
The Top 5 candidates based on Market cap are - Reliance Industries, ICICI Bank, SAIL, Sterlite Industries and Gas Authority. You can see the rest of the list of stocks here.