Best things to do to get healthy glowing skin the one who has oily skin.?

Retinol. Retinol are over the counter ingredients which have some effect on skin as well as Alpha hydroxy acids. These are not irritating. Stronger prescription versions would be retinoids such as retin a (tretinoin) or differin.
Skin hygiene. Retin a (tretinoin) product with skin exfoliator, moisturizer, and sun screen no greater than spf 30. See an aesthetic doctor to get physician grade products which the otc stuff can't compare to. Skin vitamins are good, vitamin a, c and e.