What is the exact launch date and mileage of Hero ZIR?

We have seen the production ready model of the new Hero ZIR 150 at the Auto Expo 2014 and no official exact launch date was given till date. Expected to be here by April 2015 , ZIR is a very stylish offering with all the modern day features of bikes as well as scooters. It produces 14.1 BHP and a torque of 12.7 NM.