Utilize the input text as a context reference, choose the right relationship between 'Bharti Airtel' and 'director' from the options.
Options: director/manager, operator, subsidiary, parent organization

"Our customers are the reason for us to be in business, we therefore constantly introduce innovative initiatives with a commitment to deliver a world class experience to them," Ajai Puri, director - Market Operations, Bharti Airtel (India & South Asia), said.
director/manager