1) Travelled in Jan,pantry only had Veg food(For breakfast omelet was an option)
2) Don't know
3) No you can't travel to kurla.For that you should have a confirmed AC ticket(M/E) upto Kurla.Since,these train doesn't touch Kurla you will have to buy local ticket from KYN.M/E ticket will be valid only upto Kalyan(Upto Dombivali in case your ticket is reserved upto Vasai).