NEW DELHI: India’s top end rental residential market, driven by expatriates and foreign nationals working across the metropolises like the National Capital Region, Mumbai and Bengaluru, has been severely impacted after a large number of expats chose to return home due to increasing Covid-19 cases in the country.Real estate brokers said expats pay between Rs 1 lakh to Rs 10 lakh and, in some cases, even up to 30 lakh per month for apartments,