The Best medical center or centre for Asthma in Delhi may have an asthma specialist who'll ask for spirometry with bronchodilator reversibility which confirms asthma and do some blood test like Allergy Display Phadia Major ® or thorough allergy check or skin prick test and FENO to assist the asthma https://g.page/r/CdIm7DUDHqpKEBM/