Morgan Stanley India Infrastructure has made an investment of Rs 150 crore (USD 21 million) to acquire a stake in tech firm iBus. iBus offers in-building wireless solutions (IBS), outdoor small cells and other last-mile connectivity solutions to mobile operators to enable them to serve their customers seamlessly. The company currently deploys its infrastructure across 233 commercial, residential and retail sites across the country with a tenanted area of 276 million sq ft. With this investment, iBus will build scale and eliminate inefficiencies to fast track the essential digitalisation of the economy. Morgan Stanley India Infrastructure is the India infrastructure investing platform of Morgan Stanley Infrastructure Partners. Morgan Stanley India Infrastructure has also invested in Unison Enviro (a city gas distribution company), HealthMap Diagnostics (diagnostic imaging) and LEAP India (which provides supply chain solutions).