September 21 is World Alzheimer's day. Arjun Kohli had just turned 67 he was enjoying the company of his grandchildren and his large joint family thronged around him for his emotional support and guidance. But when he started to forget things they stacked it up to old age and let him be. It was when the veteran business man forgot his way home while on his walk that his eldest son decided to get him checked by their family doctor. He was diagnosed with Alzheimer’s and his family was told that they would need to take care of him as