India, June 27 -- In investing, diversification is often viewed as a key growth strategy. However, some companies have demonstrated that specialization can be equally powerful. Instead of spreading resources across multiple segments, these businesses focused on perfecting a single product category, allowing them to build market leadership, pricing power, and long-term customer loyalty.

1. Pidilite Industries When it comes to adhesives in India, Fevicol is often the first brand that comes to mind. Through decades of consistent product quality, strong brand building, and deep engagement with dealers and end-users, Pidilite Industries has transformed a simple adhesive product into one of the country's most trusted consumer and industrial b...