The only criteria is Politics and Elections.
It's basically for Chattisgarh Elections without saying for it's for Chattisgarh Elections.
They'd allot it to Mahoba if they think that it'd bring them votes in Elections. Amb Andaura Vande Bharat Express falls under same category
Till now MEMU Sheds are the basic maintenance facilities recommended by Railway Board.
Mumbai...
more... Vande Bharat and Delhi Vande Bharat Trains are maintained in MEMU/Local Train Sheds.
This would be the first time I guess a Vande Bharat Trainset is taken to Normal Pitline.
Experts can shed more light on this.