According to reports, Reliance Industries has spent about Rs 1.5 lakh crore on its telecom subsidiary Reliance Jio. The Mukesh Ambani-led company's investment in the last three years in various sectors is equal to what the company has invested in its entire 35-year history, say reports. Reliance Jio, after its entry into the telecom industry, has created much buzz, announcing several bonanza offers.