**Acknowledgements**

We want to thank **Prof. Partha Bhattacharjee**, Head of department, Community Medicine, Tripura Medical College & Dr. BRAM Teaching Hospital for providing constant encouragement and motivation. Authors want to thank IntechOpen, for giving chance to write in their online platform. Authors also want to express gratitude to Dr. Somchai Amornyotin, Chief Editor, Geriatric book for selecting this chapter on Geriatric Health.
