I applied online. The process took 2 months. I interviewed at IFFCO (New Delhi) in Feb 2016
Interview
One written test at home then one written test at center. 120 questions in written exam in 120 minutes. Level of questions was simple. Do as fast as possible. There was no negative marking in test.
Interview questions [1]
Question 1
About sensors and transducers, some basic electrical questions based on voltage power and current relation.