विश्व अल्जाइमर दिवस प्रतिवर्ष वैश्विक स्तर पर किस तारीख को मनाया जाता है?

On which date is Indian Navy Day celebrated every year in India?

India celebrates National Panchayati Raj Day in the month of April. On which date is it observed every year?

National Panchayati Raj Day is celebrated in India every year on which date?