Fuse issue in cng grand i10 mila after 40k km.

Servicing of this car is not up to the mark. I am facing fuse issues from last 1 month but the service provider didn't know the reason how it happens. My car just gets switched off while driving after 25-50 kms. It did not start even after switching it to petrol and it just stops whether it is either forest, hill or whatever place. As it is bs 6 vehicle and automated scanner is must to scan the problem so it is very difficult to find a mechanic for help. Very poor service of toll free contact and even the dealer of Moradabad helped me but not in a proper or satisfactory manner.