I´ve been in the process for two months, I am in the 4th round. The process has been long but overall not difficult. The stopped answering for three weeks but got back to me after that time. They always respond to email.
I applied online. The process took 4 weeks. I interviewed at Ashoka
Interview
Easy to understand and very friendly. They respond right away to emails. The process is long and it is expected to have more than 4 interviews. Questions are based on your experience and focused on social impact.