Japan's biggest auto-supplier Denso Corp. is to invest Rs.4.1 billion (US$90 million) in a site near New Delhi, India, over the next five years. According to Denso president and chief executive Hiromu Okabe, around Rs 3.4 billion is to be invested this year. The company, which has become a key supplier to the Indian Government and Suzuki joint car making venture Maruti Udyog, wants to expand rapidly in vehicle telematics and says India is the ideal place for this.