To become a commercial pilot in Qatar, you will need to complete a comprehensive training program and meet the necessary requirements. Here are the general steps to becoming a commercial pilot in Qatar:

1. Meet the basic requirements: To become a commercial pilot in Qatar, you must be at least 21 years old, hold a valid Qatari passport or residency permit, and have a high school diploma or equivalent.

2. Obtain a medical certificate: You will need to obtain a medical certificate from a Civil Aviation Authority-approved medical examiner to demonstrate that you are physically fit to fly.

3. Complete flight training: You will need to complete a comprehensive flight training program that includes both ground school and flight training. This training may be completed through a flight school or aviation academy. The time it takes to complete flight training varies depending on the type of program you choose, with some programs taking as little as 6 months and others taking up to 2 years.

4. Obtain a commercial pilot's license: To work as a commercial pilot in Qatar, you will need to obtain a commercial pilot's license from the Qatar Civil Aviation Authority (QCAA). This license requires completion of flight training and meeting the QCAA's requirements for flight hours, flight experience, and testing.

5. Gain experience: To become a successful commercial pilot in Qatar, it is important to gain experience flying for an airline or charter company. You can start by working as a co-pilot and gradually work your way up to a captain position.

Overall, the process of becoming a commercial pilot in Qatar can take several years, depending on the type of flight training program you choose and the time it takes to gain the necessary flight experience. It's important to note that the process may also vary depending on individual circumstances and the specific requirements of the employer or airline.