Hello Oliver,
We have a request to include "shyplite" as a provider, they are the courier aggregator and they provide the tracking updates for the packages booked through their system. details of the service are given below for your reference.
Working Tracking Number: 69678800225 & 781571509191
If this courier aggregator is included then many of the users like us will have options to track the shipments from their native tracking page and don't have to worry about the captcha
Moreover shyplite is extremely popular with the ecommerce sellers in India.