Yes, too much slack after Vapi. Almost 1.5 hrs from Vapi to Boisar (should be only 1h), 2h15min to Vasai (should be 1.5 h). Again slack between PNVL to LNL and Chinchwad (at-least 1 h ) and finally atleast 40 min slack between Chinchwad and Pune.
Overall around 3h slack just in this section....