IndiGo, India's biggest airline, has sued automaker Mahindra and Mahindra for trademark infringement over its use of "6E" in branding its latest electric vehicle, legal papers show. Mahindra in a stock exchange filing,

IndiGo has filed a lawsuit against Mahindra Electric in the Delhi High Court, objecting to the use of '6E' in Mahindra's upcoming electric car, BE 6E. IndiGo claims that the use of '6E' could lead to consumer confusion and dilute its brand identity.

IndiGo claims "6E" is not only its official designator, but also a key element of its branding, covering a range of services like 6E Prime, 6E Flex, and add-ons

InterGlobe Aviation said that the “6E” mark is an integral part of IndiGo’s identity for the past 18 years and is a registered trademark that holds strong global recognition. Any unauthorised use of the “6E” mark,

Mahindra & Mahindra has issued a statement regarding news circulating in mainstream media about IndiGo’s trademark infringement lawsuit over the alleged use of the airline’s iconic ‘6E’ branding. The dispute centres around the ‘BE 6e’ an upcoming electric SUV unveiled by Mahindra Electric Automobile Limited (MEAL),