MBBS

Yes, you can get a good government job after completing your MBBS.

In NEET, you must have 50 percentile of the cutoff for qualifying and then accordingly you will get a college after counselling.

The forms will be out for AIPMT or NEET. You need to fill the form and sit for an entrance exam and qualify and attend counselling session.
All the best.

Most hospitals do not conduct any examination for you to practice there. All you require is your educational grades and a 1 year internship experience.
All the best.

You can opt for subjects like B.Pharma, D.Pharma BDS, B.Tech and M.Tech.

Problem is not only with MBBS degree from Nepal, even if you have graduated from premier medical colleges like Havard or John's Hopinkins you will not be eligible for practicing in India unless you qualifies the exam conducted by MCI. MCI screening exam is the toughest to make through some time it takes up to 4-5 attempts to clear.

To settle or practice medicine in any country you must clear the medical licensing examination of the particular country. To practice in New Zealand you are required to pass NZREX Clinical,visit the Medical Council of New Zealand website for details.