IndiaEV.in , BharatEV.in and EVBattery.co.in all owned by TuckerMotors.com (Indian company). This is a great example of businesses realizing the importance of Category Keyword domain names to support their core business.
This is common practice among global corporations to acquire and use 100's if not 1000's of category keyword domains to support their core businesses.
Multi domain name strategy is a tried and proven method for lead generation and brand support