New Delhi: Technology is being seen as a key growth driver as the top 50 Indian enterprises are aggressive on their IT investments for this financial year despite a decline in dollar revenue in FY13, says a report by Zinnov, a market expansion and globalization advisory firm.

The study said while around 50 percent of these firms are focusing on mobility, private and public cloud investments in FY14, big data is their top priority for over 60 per cent of the firms, driven by manufacturing and media companies.

"Large Indian enterprises, with their aggressive growth plans and perception of technology as a growth driver represent a key opportunity area. With an addressable IT spend of $15 billion annually, it presents a massive opportunity for global and Indian technology vendors," Zinnov director, market expansion Praveen Bhadada said.

Despite economic challenges, the top 50 Indian companies selected on the basis of total annual income excluding IT companies -- reported a flat capex but steady IT investments in FY13.

According to the report, over 30 per cent of IT spend is aimed at transformational projects, especially in the areas of mobility, cloud and big data.

"Technology is being seen as a key driver of growth and a strategic business enabler, with focus areas being real-time information processing to drive critical business decisions, consolidation and big data analytics to develop new use cases, increasing efficiencies and creating a unified customer view across operations," the report added.