There are many bullish strategies can be taken and few are listed below:
1) For aggressive investors who are very bullish about the prospects for a stock / index, buying
calls can be an excellent way to capture the upside potential with limited downside risk
Buying a call is the most basic of all options strategies. It constitutes the first options trade for someone already familiar with buying / selling stocks and would now want to trade options. Buying a call is an easy strategy to understand. When you buy it means you are bullish. Buying a Call means you are very bullish and expect the underlying stock / index to rise in future.
When to Use: Investor is very bullish on the stock / index. Risk: Limited to the Premium.
(Maximum loss if market expires at or below the option strike price).
Reward: Unlimited
Breakeven: Strike Price + Premium
Source: www.nseindia.com
