Reasons for Red.
1) Remove following halts Shivajinagar, Kopar, Virar.
2) Add 10 mins running time between Pune and LNL. Your train takes 45 mins including a halt at Shivajinagar. The fastest train in between Pune and LNL is Pragati Express which takes 53 mins.
3) How will this train overtake Pragati Express before Panvel. Pragati's Departure from Panvel is 0955.
4)...
more... Add min 10 - 15 mins time between Lonavla and Panvel. The fastest train in between LNL and Panvel is Pragati Express which takes 1h 13 mins. Your train takes 1hr 2 mins. One more thing Its a single track.
5)Where will your train cross BSL Pune Express as Pragati crosses it at Chowk.
Rest is fine. Please do the changes in Timetable. I might give it Green