Disclaimer: Train is too futuristic, TT should be taken with a Pinch of salt ;)
Just a concept that'll help reduce travel time between Pune Mumbai
Rake: Siemens Velaro RUS Modified for Broad Guage
MPS is limited in Section from Khandala to Palasdhari at 100km/h
and...
more... Ulhasnagar to CST at 120km/h
PS:This is for 10 years from now :p