No, the Disabilities Act is not being followed here. This is also a violation of Article 15 because physically disabled persons should be able to access public places. Buildings must have proper ramps, guidelines and other accessibility measures. The way the boy is being carried down the stairs affects his dignity. Moreover, the method is unsafe. It affects his dignity because every time he has to depend on others for mobility.
Carrying the wheel chair as shown in figure is dangerous. An imbalance can cause physical injury to the boy. This "charity based" approach has a negative impact on boy's mind and reduces his sense of independence.
It is important such needs be addressed through 'rights-based' approach i.e. all persons believe that they have equal share of the public resources. The government should ensure that disabled people are able to access public resources with ease.