dear aspirant,hope you are doing well,now coming to your question,

Salary depends on which position you join, For eg: System Engineer trainee or process executive trainee etc.
I will explain you salary for System Engineer:
As a fresher, first you have to report at Mysore for training.
Till your are in training period, your in hand salary will be approx 13K, with a 3 star hotel look like Room which have all basic amenities like attach washroom, cupboard, TV, Water boiler etc.
After completion of training they will send you some other DC and your next salary depends on how much you had score.

hope this will help.