Vallabhbhai Patel Chest Institute,

University of Delhi, North Campus,

Delhi – 110 007

Rajan Babu Institute of Pulmonary Medicine &

Tuberculosis,

Dhaka Colony, Kingsway Camp,

Delhi – 110 009

LRS Institute of Tuberculosis and

Respiratory Diseases,

Sri Aurobindo Marg, Mehrauli,

New Delhi – 110 030.

Institute of Human Behavior and Allied Sciences,

Jhilmil, Dilshad Garden,

Delhi – 110 095