Category of Tejas & Shatabdi is same, both are all ac premium intercities with chair car coaches, however Tejas is is more luxurious and hence called be called super premium by Indian Standards. Both are intended for short journeys typically upto 8 hrs and are supposed to return back the same day. Tejas too did the same in normal Konkan Rly time table(than currently in-force monsoon timetable).
Presently it is made tri weekly, as speed has been restricted to only 90kmph and journey time is about 11-12 hrs instead of 8.5 hrs