Dr Sewlal completed his Bachelor of Medicine and Bachelor of Surgery in 1984. he obtained a Diploma in Anesthesia in 1988. In 2002 he completed his Masters in Business Administration(Cum Laude) at the Graduate School of Business-University of Durban-Westville . He worked at various hospitals around Durban as Medical Officer,Medical Superintendent,Chief Medical Superintendent until 2004. In May 2004, he was appointed Chief Director Clinical Support and Logistics at the Dept of Health-KZN. In 2007 he was appointed as Chief Director Western Areas KZN. In 2012 he was appointed as District Chief Director of Ethekwini District. In January 2017 He was appointed as Chief Director Medical Litigation Unit KZN Health, he was the Chairperson of SEHDASA(Senior Hospital Doctors Association South Africa), which is a division of SAMA (South African Medical Association), Dr Sewlal is married to Dr Nerisha Bhagwandin who is a Dentist in private practice, and they have two children who are also Dentists.