After completing a BBA in Aviation, a role as a customer service executive at an airport or airline generally offers a starting salary of INR 2.5 to 4 lakh per annum. This salary range may vary depending on the location, type of employer, and specific duties. Customer service executives handle passenger queries, provide flight information, and resolve service issues, all of which require strong communication and problem-solving skills. With experience, professionals can move into supervisory roles, which offer better salaries and career advancement opportunities.