Property for parents - Noida Sector 36 any good?

Buying for my parents near Sector 36. I work in real estate, so I know the super area vs carpet area games. Been looking at resale flats there. What's the real deal with water supply? Heard mixed things about municipal water. Also, how safe is it for seniors at night? Market decent hai nearby for daily stuff? I'm mostly concerned about their safety and convenience. Any insights appreciated!