I recommend to extend it to 2 more months as it is not advisable to loose more than 3 kgs a month.

Take care of ur diet and workouts.

So many articles regarding this subject in internet. Choose anyone which is conveniently matching with ur daily life routines.

Find one fitness partner or fitness pal who has the same goal.

If u have a short deadline like getting marry or something then its better to hire a personal trainer.