While filling the Detailed Application Form (DAF) you have to take care of many things like your service preference, cadre preference, hobbies, interests and other questions. Other answers have dealt with many subjects. But I want to tell how you can choose a right preference of services while filling up the DAF. Please see the below video to choose a right service. It will clear all the doubts regarding choosing a right service.
You should carefully watch this video And try to be careful while filling up the DAF for the best selection of services and cadre. And when it is time to pick your DAF, just do your job properly and go by the instructions without thinking on what are your preferences. This is how you can choose a right preference and selection for services while filling DAF. Please watch this video to know How to choose a Right service and Cadre. Video below: How to choose a Right service & cadre I hope this is helpful. I sincerely want to help cadres. Don't hesitate to share with us if you got any question about the service and cadre preferences.