New Delhi, Oct. 6 -- Billionaire Mukesh Ambani-led Reliance Industries has sued the Food Safety and Standards Authority of India (FSSAI) over restrictions preventing the company from marketing its Campa-brand products as "energy drinks", making it the latest beverage maker to challenge the food safety regulator's labelling crackdown.

Reuters reported on Tuesday, citing court documents that have not been made public, that the company filed a writ petition on October 1 challenging a June 30 FSSAI order barring manufacturers of high-caffeine beverages from marketing their products as "energy drinks".

According to the petition, state authorities have seized Reliance's stock and also ordered e-commerce platforms to delist the products. The c...