Airtel had issued $1 billion 1.5% foreign currency convertible bonds (FCCBs) in January 2020, due in 2025. The bonds were convertible into the company's fully paid-up equity shares of ₹5 each before February 2025 at the option of the FCCB holders. Bharti Airtel shares closed 1.56% up at ₹760.70 on the BSE Tuesday.