I applied online. The process took 3 weeks. I interviewed at IFMR
Interview
3 rounds, all over skype or remote work. First is usual interview going through your resume against the job description, second is a written test, third is with Associate Director (sometimes there is another one in the middle a followup to the first interview)
I applied through other source. The process took 1+ week. I interviewed at IFMR (New Delhi) in May 2015
Interview
I worked with one of the affiliates of IFMR. I took a Stata test, then had three (non-technical) interviews, then I was flown in to job location and had another interview.