| Fertilizer | Manufacture and marketing of Single Super Phosphate, NPK mixtures, micronutrients and agrochemical inputs | Established brand with trusted quality and extensive dealer network | Farmers and agricultural distributors in southern India | Micronutrient and biological fertilizer products | 2 | 5 | Product sales through farmer networks and dealers | Direct sales with dealer intermediaries | Expansion in agrochemical portfolio, drone-assisted precision agriculture, and new fertilizer plants planned | Blue Horse Fertilizer |
| Drone | Drone spraying services for fertilizers, geospatial surveys, and drone pilot training | Unique drone police unit, certified training programs and indigenous technology adoption | Agriculture sector, government agencies, urban planners | Precision spraying and surveys | 3 | 7 | Service contracts and pilot training fees | Contract and training fees based on project scope | Government partnerships, advanced UAV technology, and first-mover advantage in drone police unit | Kothari Drone Services |
| FMCG Products | Health care products, baked goods like rusk and cookies | Brand recognition in niche markets, product innovation tailored for regional needs | Retail consumers across southern India | Health care FMCG products | 0 | 1 | Retail and wholesale product sales | Direct sales and distributor partnerships | Product diversification and expansion in health-focused FMCG categories | Kothari FMCG |
| Hotel | Hotel and fine dining services focusing on traditional and international cuisines | Distinctive culinary offerings and entrenched regional presence | Local customers and urban food enthusiasts | Fine dining experiences | 6 | 15 | Food and hospitality revenue | Direct sales and service fees | Urban expansion, new fine dining launches, and brand development | Unavilla Restaurant, Pattukottai Mess |
| Leather | Footwear manufacturing and leather goods production | Partnerships with global brands, dedicated footwear cluster in Perambalur | Footwear retailers, brand partners, and direct consumers | High-value contract manufacturing | 1 | 3 | Product sales and contracts | Direct sales and contract manufacturing | JV with global footwear brands, cluster manufacturing projects | Kothari Leather |
| Others | Logistics services, media publishing (Industrial Economist), and allied businesses | Strong leadership vision and strategic acquisitions | Business clients, readers, logistics customers | Media and logistics | 14 | 34 | Service fees and advertising revenues | Service contracts and subscription/license fees | Media acquisition, logistics investment, and diversified service offerings | Various including logistics and media |
