Ajay Jaisinghani, born around 1952, is a key co-founder of the colossal Indian electrical goods and cables giant, Polycab India. His life and career are rooted in the entrepreneurial spirit of his family, who, as part of the Sindhi community, moved to Mumbai from Pakistan after Partition.

His family's modest beginnings were centered on a small hardware and electrical store called 'Sind Electric Stores' in Mumbai's Lohar Chawl—the traditional epicentre for electrical goods. Alongside his brothers, Inder, Girdhari, and Ramesh, Ajay helped take over and grow the tiny family enterprise after their father’s untimely death in 1968. While his brother Inder led sales, Ajay and his siblings were instrumental in establishing the production side of the burgeoning wire business, focusing on operational execution and manufacturing.

Ajay Jaisinghani's career is a testament to the power of a disciplined family partnership, building an industrial giant from the ground up. The brothers formally laid the foundation for Polycab India in 1983, initially experimenting with wire production in a small, garage-like shop before establishing a professional manufacturing unit in Halol, Gujarat.

Ajay's primary contribution lay in the industrial expansion and management of the core manufacturing operations, ensuring the business could scale while maintaining quality. Polycab's journey hit a major milestone in 2008 when it attracted an investment from the International Finance Corporation (IFC), the private equity arm of the World Bank, which provided crucial capital and institutional credibility. The company's massive market capitalization and the family's billionaire status were secured in 2019 when the company launched its successful Initial Public Offering (IPO) on the BSE and NSE. Ajay, along with his family, holds a controlling majority stake in the now multi-billion dollar enterprise.

Ajay Jaisinghani’s approach to philanthropy is generally executed through the corporate social responsibility (CSR) initiatives of Polycab India, and his commitment to the local communities that sustain the manufacturing plants. The family's philosophy is rooted in a desire to uplift 'socially and economically disadvantaged communities'.

His investment in new startups as an angel investor also carries an indirect social impact, focusing on supporting the growth of indigenous Indian enterprise and technology. Furthermore, his long-standing partnership with his brothers, built on decades of perseverance, serves as an inspirational story of dedication and resilience for India's massive small-to-medium enterprise (SME) sector.

Ajay Jaisinghani’s lifestyle is a reflection of Mumbai’s self-made industrial elite: immense wealth coexisting with a commitment to maintaining a low public profile, allowing the monumental success of his publicly-listed company to speak for itself.

His style is consistently formal and traditional, befitting the director of a major national manufacturing company. He is primarily based in Mumbai. The luxury of the Jaisinghani family is most evident in the growth of their market capitalization (over Rs 79,000 crore) and their diverse investment portfolio, which now spans technology startups, in addition to electrical goods. His personal assets often blend business with leisure, though he is distinct from the celebrity status of some billionaires.