Mumbai may generate highest rental income for REITs: Cushman & Wakefield India MD 21.01.2016 17:34 «The Times of India» (indiatimes.com) The total estimated rental income potential of commercial Grade A stock in top eight Indian cities is Rs 51,800 crore (USD 7.9 billion) by 2019, according to global real estate consultancy Cushman & Wakefield.