India’s largest airline IndiGo has filed a case in the Delhi High Court against automobile major Mahindra & Mahindra’s (M&M’s) electric mobility arm, Mahindra Electric Automobile (MEAL), for using the airline’s identifier code 6E in the name of its recently unveiled electric vehicle BE 6e. IndiGo has the registration for the “6E” trademark and uses it extensively in its branding and advertising. “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. The ‘6E’ mark, whether standalone or in its variants and formative forms, is extensively used by IndiGo for its offerings and for goods and services provided in collaboration with trusted partners. Any unauthorised use of the “6E” mark, whether standalone or in any form, constitutes an infringement of IndiGo’s rights, reputation, and goodwill. IndiGo is committed to taking all necessary and appropriate steps to safeguard its intellectual property and brand identity,” the airline said in a statement. MEAL unveiled its electric-origin SUVs — BE 6e and XEV 9e …