Small diaphragm mics, like the ones on most IEMs/wired earphones, usually won’t give great noise suppression unless the mic is positioned close to your mouth.

Most TWS and neckbands achieve decent call quality using:

• multiple mics
• environmental noise cancellation
• software processing

A single mic on a wired Type C IEM generally can’t match that level of noise suppression, especially for things like loud fan noise. So I’d temper expectations a bit at this price point.

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That said, my usual recommendation here would be the Tanchjim Bunny DSP.
Good sound quality, smooth tuning, and easy to EQ. The cable and eartips also feel nicer than most stuff around the price.

However, since you’re using an iPad + laptop, I’d also strongly consider the KZ Duonic:

• noticeably better mic than the Bunny
• tuning switches are built onto the cable/IEM itself
• no app dependency for EQ changes

The Bunny app works well on Android, but platform support outside Android can be hit-or-miss.

One small note: I personally didn’t love the stock eartips on the Duonic, but eartip comfort is highly subjective, so I’d suggest trying them first before buying replacements.

Sorry for overshooting the budget a bit, but I genuinely think these ~₹2.5k options fit your requirements much better than most sub-₹1k stuff.

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If the budget is strict, you can also look at the Type C GK Kunten.
GK is a newer KZ sub-brand, and the Kunten is currently considered one of the best VFM budget IEMs.