UR122986645CN and UR135310907CN are china post ordinary parcel. China Post will not scan and update its status after it left first post office. so you can not see new status and know where it is now.

This is a slow and cheap service for low value item. china post ordinary parcel might take 4 to 12 weeks to reach your country.

If your buyer protection is expiring, you should open dispute to paypal/aliexpress for lost parcel refund. Otherwise keep waiting.

RV865295155CN is register airmail . It was sent to airline on April 7.
China Post will lost control of the parcel after sent to airline. so there will be no update anymore after sent to airline date until it passes India customs processing center. this no-information period might take 2 to 8 weeks.

Once it passes import customs clearance, India Post will scan and update its new location for China Post database and you will see new status.