Shiv Nadar is chairman and CEO of HCL Technologies, a subsidiary of Hindustan Computers Limited (HCL), a firm he co-founded in August 1976 and which includes HCL Infosystems. While most Indian IT firms have made their mark in software, HCL has been a pioneer in hardware (although it is also the fifth-largest Indian software maker). According to Nadar, only three computer companies of the 1970s exist today: IBM, Apple and HCL. “Apple and HCL shipped out their first computers in the same quarter,” he says. Since then, HCL, which celebrated its 30 th anniversary last month, has “sustained its position of being India’s No. 1 computer company,” Nadar notes. HCL today has annual revenues of .5 billion and more than 36,000 employees. In the first of a two-part interview with Knowledge at Wharton and Ravi Aron, a senior fellow at Wharton’s Mack Center for Technological Innovation , Nadar discusses issues ranging from HCL’s origins to future challenges. Aron: HCL’s history is interesting.…