Which is the apex institute involved in man power development, research and referral services in National Control program of Blindness?

• A. Dr Rajendra Prasad centre for ophthalmic science in AIIMs
• B. Sanjay Gandhi Ophthalmic Unit at Bangalore
• C. Vasan Eye Care Centre, Chennai
• D. Swami Vivekananda Yoga AnusandhanaSamsthana, Bangalore