Whether people like it or not rush in Northern Trains would always outweight rush in Southern Trains.
Kanpur Shatabdi Express still running even after Shatabdi, Vande Bharat and Tejas among numerous Rajdhani Trains being on the same route is a testament to that.
Even for that matter, look at Delhi Ambala Cantt Section ЁЯШВ, 2 Amritsar Shatadis, 2 Kalka Shatabdis, 1 Chandigarh Shatabdi, 2 Vande Bharat Trains alongside a Jan Shatabdi and numerous other trains. Still you'll have good occupancy numbers.
These...
more... 2 trains need to have a timing gap like Bhopal Shatabdi and Gatimaan Express to ensure unique occupancy numbers in this route. Different time slots would make it feasible for more people, or else resort to adding halts like KJM and Kengeri.