Helping children with disabilities in underdeveloped countries is critical to ensuring that they have access to the resources and support they need to reach their full potential. Here are some ways to provide effective help:

1. Access to Inclusive Education: Promoting inclusive education is crucial to ensuring that children with disabilities have access to educational opportunities. This involves adapting educational settings to meet their individual needs, providing supportive resources, training teachers, and removing barriers to full and equal participation in education.

2. Access to Health and Rehabilitation Services: Ensuring that children with disabilities have access to quality health and rehabilitation services is critical. This includes specialized medical care, physical and occupational therapy, assistive devices, and access to medications and treatments appropriate to their needs.

3. Support for Families: Providing support to families of children with disabilities is crucial to ensure their well-being and ability to care for their children effectively. This may include parent training programs, psychosocial support services, counseling and access to community support networks.