Matrix Partners India has invested Rs.45 crore, as the sole investor in the first institutional round of funding, in Kids Clinic India Pvt. Ltd., a leading provider of high quality maternity and infant care under the brand Cloudnine. Cloudnine has the distinction of delivering more than 6,500 babies in Bangalore since its inception in 2007 with globally best-in-class morbidity and mortality outcomes, says a release.