To become a pediatrician in India, one needs to complete the following steps:

1. Education: Students must first complete a Bachelor of Medicine and Bachelor of Surgery (MBBS) degree from a recognized medical college or university in India. The course duration is typically 5.5 years.

2. Internship: After completing MBBS, students must undergo a one-year internship at a hospital.

3. Post-graduation: After completing the internship, students can opt for a three-year MD or a two-year Diploma in Pediatrics from a recognized medical college or university.

4. Registration: After completing their post-graduation, students must register with the Medical Council of India or the state medical council.

Once registered, pediatricians can work in hospitals, clinics, or start their own practice. The scope of pediatric practice in India is vast, given the country's high population and a large number of children. Pediatricians can specialize in various sub-specialties such as neonatology, pediatric critical care, pediatric endocrinology, pediatric neurology, etc. Pediatricians also play a critical role in preventive healthcare by conducting routine check-ups, vaccinations, and providing guidance on nutrition, growth, and development.

Overall, pediatrics is a rewarding and challenging field in India, with ample opportunities for growth and development. However, it requires a lot of dedication and hard work, and students must be prepared to commit to several years of rigorous education and training.