this a good alternative option if you don't want to spend huge amount on ipad pencil, it's perfectly working

Flipkart SmartBuy Upgraded StylusPen Ultra High Precision & Sensitivity with Palm Rejection Stylus Stylus (Black)

For iPad (2018-2021) iPad 6/7/8 Gen; iPad Pro(11/12.9"), iPad Mini 5, iPad Air 3rd Gen (Off-White)

Tip MaterialSilicone

Color: Black

Length: 16.6 cm

Made of Metal