I applied through an employee referral. The process took 1 day. I interviewed at MSCI (Mumbai) in Nov 2015
Interview
Aptitude test was on paper
Questions on probability/permutations/combinations/data interpretations/logical sequencing/algorothims
Test was 1hr of average difficulty followed by interview
Interview was taken by two persons
Interview was puzzle based and general get to know questions
Interview questions [1]
Question 1
General whats your background questions
Questions on wrongly answered aptitude questions
Emphasis on puzzles (logical and math related)
Also asked on familiarity with computer environment