Maintenance Reduced to 50% by Hon’ble Supreme Court this is how?

The Hon’ble Supreme court in this judgement of Bhushan Kumar has reduced the maintenance on behalf of husband to 50% The husband was earning around Rs. 34000/-

He argued that only Rs. 9000/- is left for him and trial court has put up maintenance of Rs. 10000/-

The Hon’ble Supreme court reduced the maintenance to Rs. 5000/- citing husband has home loan emi to pay.