दूरगामी परिणाम

No, it can be positive or negative. For example, 'exercise has far-reaching positive results.' However, in news, it is often used to warn about negative consequences.

Usually, it's used for actions, policies, or events. You wouldn't say 'He is a far-reaching result.' You would say 'His actions had far-reaching results.'

'Natija' is Urdu-origin and more common in daily speech. 'Parinam' is Sanskrit-origin and more formal. 'Durgami' almost always pairs with 'Parinam'.

Only if you are being sarcastic or discussing something very serious with a colleague. It's too formal for a casual 'Hi' text.

The word 'Parinam' stays the same in the direct case plural, but becomes 'Parinamom' (परिणामों) in the oblique case (when followed by a preposition).

Yes, 'दूरगामी असर' (Durgami Asar) is perfectly fine and slightly more common in neutral speech.

Rarely in songs, but often in serious political dramas or biopics during intense dialogue scenes.

The opposite is 'Alpkalik' (अल्पकालिक - short-term) or 'Tatkalik' (तत्कालिक - immediate).

Yes, for climate change (long-term), but not for tomorrow's rain (short-term).

Not at all. It sounds educated and professional. It's very 'modern formal'.

The retroflex 'ṇ' (ण) is the standard, but if you pronounce it as a regular 'n', most people will still understand you perfectly.

Yes! It's an excellent phrase to show you have a long-term vision for the company.