जनता की राय

Grammatically, it is a feminine singular collective noun. You say 'Janta aati hai' (The public comes), not 'aate hain.'

Yes! You can say 'Meri ray mein...' (In my opinion...).

'Ray' is an opinion/view, while 'Vichaar' is a thought or an idea. They are close but 'Ray' is more common for public sentiment.

Yes, Urdu uses the exact same phrase, though they might write it in the Nastaliq script.

You can say 'Janmat sarvekshan' (जनमत सर्वेक्षण) or simply 'Opinion poll' in Hinglish.

Not at all. It's a very standard way to start a serious discussion about society.

Because 'Ray' is a feminine noun. The gender of the first word (Janta) doesn't matter here.

Yes, 'Logon ki ray' (opinion of the people) is a perfect synonym and slightly more informal.

'Aam Janta' means the 'Common Man' or the general public.

Use the verb 'prabhavit karna': 'Janata ki ray ko prabhavit karna.'

Rarely in romantic songs, but very often in 'socially conscious' songs or movies about politics.

There isn't a single word, but you could say 'Sarkar ka faisla' (Government's decision) if it goes against the people.

Yes, especially if you are discussing marketing, branding, or public relations.

Yes, it is neutral and respectful. It is the standard word for 'the public' in a democracy.