Name the nationwide hackathon launched by Department of Empowerment of Persons with Disabilities (DEPwD) for innovation for Divyang/ physically challenged people accessible toilets .

Under Swachh Bharat Mission, the Department of Empowerment of Persons with Disabilities (DEPwD) has launched a nationwide Hackathon called "San-Sadhan" for Divyang/ physically challenged people accessible toilets, which will be held from September 14- 15,2019 in New Delhi. It aimed to enhance sensitivity and develop an ecosystem for creating a barrier-free environment.