The difference between Honda WR-V Edge Edition i-DTEC S and i-DTEC S is that the Edge edition comes with Coat Hanger Rear Parcel Shelf Footrest, Rear Camera With IRVM DisplayHonda Connect with 1 month free subscription which is not available in i-DTEC variant.
Honda WRV is not a hybrid car. It will be offered with the same engine options: a 1.2-litre petrol that produces 90PS and 110Nm and a 1.5-litre diesel that puts out 100PS and 200Nm. The petrol will be available with a 5-speed manual whereas the diesel will get a 6-speed manual. Honda is unlikely to offer any automatic options with the WR-V even with this update
For the availability, we would suggest you walk into the nearest dealership as they will be the better people to assist you because it depends on their stock book. You can click on the following link to see the details of the nearest dealership and selecting your city accordingly - Car Showrooms