APTX is Qualcomm codec for low latency true wireless sound encoding. AptX tws are mostly compatible with Qualcomm processor mobile phones mostly. Though support depends a lot on Phone OS however your TWS must be APTx compatible to use it.

Lets have a look at best aptx compatible TWS available in Indian Market of 2023:
Jabra Elite 3 in Ear Bluetooth Truly Wireless Earbuds Noise…
-6 mm Drivers – Active Noise Cancellation – Qualcomm APTx Support – SBC – IP55 – 88ms low latency – 2+2 mics – Touch Control – Alexa Builtin
Blaupunkt BTW Pro+ Bluetooth Truly Wireless in Ear Earbuds with Mic (Black)
Dual Microphone: Amazing conversation you get from BTW Pro+ Qualcomm aptX Technology: Qualcomm aptX supports 16-bit music quality. Smallest details in their music is also heard Long Standby Time: Charging Case is 790mAh and Earbuds are 70mAh each. BTW Pro+ is IPX7 rated & gives you complete freedom of enjoying your HD Music and Conversation in rain, water or in sweat
Edifier X3S True Wireless Stereo Earbuds-Black,in-Ear
Supports Qualcomm AptXaudio decoding with a code rate as high as 352kbps | Newly upgraded Qualcomm QCC3040 Bluetooth V5.2 chipset | IP55 Ratings aka Dustproof & waterproof | ENC True Wireless Earbuds with Microphone for Stereo Music.
Yamaha Audio Tw-E3B Purple True Wireless Earphone,Bluetooth 5.0,Aptx,Long Battery Life,Ipx5,in-Ear
  • Compact and ergonomically shaped for superior fit and day long comfort, with a non slip coating for improved hold
  • Up to 24 hours of battery life (6H + 18) with an enhanced charging case featuring easy read battery life indicators
  • Bluetooth 5 with aptX for stable wireless connectivity and superior sound quality
  • Easy controls for phone calls, music playback and Siri/Google Assistant activation
  • Listening Care intelligent equalization for full range sound at lower listening volumes
Mivi Duopods M80 Bluetooth Truly Wireless in Ear Earbuds with…
Qualcomm APTx codec for lowest latency | 30hr playtime(including box battery) | Bluetooth 5.0 support | Touch Controls | 1 year warranty

If you know other models with aptx support available in India then do let us know via comment form below. We will update this post accordingly.