"Expert in Pulmonary Care | Breathing Life into Health for Over 36 Years"
Dr. Ranjan Kumar Das
MBBS, MD (Tuberculosis & Respiratory Diseases/Medicine)Renowned Pulmonologist | Over 36 Years of Experience
Breathe Easy, Welcome!
Dr. Ranjan Kumar - Das"Breathing Life into Health for Over 36 Years"
Dr. Ranjan Kumar Das is a highly experienced Pulmonologist with over 36 years of expertise in treating respiratory and lung diseases.
Dr. Ranjan Kumar Das specializes in respiratory management, sleep apnea, lung disorders, interventional bronchoscopy, and post-COVID lung care with advanced medical procedures.
Schedule a consultation for expert diagnosis and personalized treatment to ensure better lung health and improved breathing.
About Dr. Ranjan Kumar Das
MBBS, MD (Tuberculosis & Respiratory Diseases/Medicine) Renowned Pulmonologist | Over 36 Years of Experience
Dr. Ranjan Kumar Das is a highly experienced Pulmonologist based in Kolkata, specializing in the diagnosis and treatment of respiratory diseases. He completed his MBBS from Maulana Azad Medical College in 1977 and pursued an MD in Tuberculosis & Respiratory Diseases/Medicine from Delhi University in 1982.
With over 36 years of expertise, Dr. Das has successfully treated countless patients from India and abroad, helping them overcome lung and breathing disorders. His key areas of expertise include Sleep Apnea, Respiratory Management, Chronic Pulmonary Heart Disease, Bronchitis, Sinusitis, and Post-COVID Lung Problems.
Dr. Das is also a specialist in Interventional Bronchoscopy, Medical Thoracoscopy (Pleuroscopy), and Endobronchial Ultrasound (EBUS), utilizing advanced techniques for precise diagnosis and treatment.
Areas of Expertise
Dr. Ranjan Kumar - Das"Breathing Life into Health for Over 36 Years"
Specialized in diagnosing and managing sleep-related breathing disorders, including Obstructive Sleep Apnea (OSA). Provides expert guidance on CPAP therapy, lifestyle modifications, and advanced treatment options to improve sleep quality and overall health.
Expert in treating chronic respiratory conditions such as COPD (Chronic Obstructive Pulmonary Disease), Asthma, Pulmonary Fibrosis, and Chronic Bronchitis. Offers personalized treatment plans to enhance lung function and improve the patient’s quality of life.
Performs advanced bronchoscopy procedures to diagnose and treat lung diseases, including tumor biopsy, foreign body removal, and airway stenting. This minimally invasive procedure helps in early detection and management of complex lung conditions.
Minimally invasive solutions for chronic sinusitis and bronchitis, helping patients recover from persistent cough, nasal congestion, breathing difficulties, and inflammation.
Highly experienced in managing various lung infections, pneumonia, tuberculosis, and interstitial lung diseases (ILD). Ensures effective treatment plans using the latest medical advancements.
Specializes in lung rehabilitation and management of post-COVID breathing difficulties, fibrosis, and other long-term respiratory complications caused by the virus, ensuring a smooth recovery for patients.
Uses medical thoracoscopy (pleuroscopy) to diagnose and treat pleural diseases, including pleural effusion and mesothelioma. This technique provides a detailed view of the pleural cavity for precise diagnosis.
Performs EBUS-guided biopsies to diagnose lung cancer, tuberculosis, and sarcoidosis. This advanced procedure enhances the accuracy of lung disease detection and staging with minimal discomfort to the patient.
Years Of Experienced
Patients Treated
Awards & Achievements
Happy Patients

Dr. Ranjan Kumar Das

- A minimally invasive procedure used for diagnosing and treating airway disorders.
- Helps in removing foreign bodies, treating airway blockages, and obtaining lung biopsies for diagnosing lung cancer, tuberculosis, and other conditions.

- A diagnostic and therapeutic procedure used to examine the pleural cavity (the space around the lungs).
- Helps in detecting pleural effusion, pleural tuberculosis, and mesothelioma, and allows fluid drainage for better lung function.

- An advanced bronchoscopy technique that combines ultrasound imaging with real-time needle aspiration.
- Used for accurate diagnosis of lung cancer, tuberculosis, and sarcoidosis by obtaining tissue samples from lymph nodes or lung masses.

- Specialized in diagnosing and managing sleep-related breathing disorders, including Obstructive Sleep Apnea (OSA).
- Provides polysomnography (sleep study), CPAP/BiPAP therapy, and lifestyle modifications to improve sleep quality and overall respiratory health.
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Dr. Ranjan Kumar - Das"Breathing Life into Health for Over 36 Years"