Which institute has collaborated with the Ministry of Health to lead the largest pan-India Oral Health Survey 2019 ?

• A. Government Medical College’s Centre for Dental Education and Research (CDER)
• B. Indira Gandhi Institute of Medical Sciences’s Centre for Dental Education and Research (CDER)
• C. All India Institute of Medical Sciences (AIIMS)’s Centre for Dental Education and Research (CDER)
• D. Rajiv Gandhi Institute of Medical Sciences’s Centre for Dental Education and Research (CDER)
• E. None of these