Dua, Amalia and Nayan discover India is huge, more than ten times the size of the UK. Their first challenge is to explore Patna, the capital of Bihar in north-eastern India. It has a population of nearly two million people.

Dua, Amalia and Nayan are in Patna. They meet a local scientist as they travel along the river, and discuss how the river is deemed sacred to Hindus and a lifeline to local people who use the river to irrigation.

The pupils meet a local expert on rural life in India and learn how India's extreme climate can be hazardous for subsistence farmers due to drought and flooding.

Dua, Amalia and Nayan explore city life in Bangalore, India. Bangalore is known as the Silicon Valley of India and it attracts young Indian people to seek work and careers there.

Dua and Amalia explore the impact of urbanisation on Bangalore, India. They meet Chandra, a local geographer who shows them how urbanisation has engulfed villages and created narrow streets and densely built housing.

Dua, Amalia and Nayan meet children who have been given a unique opportunity to escape poverty and receive a first class education. They meet Puneeth, Vijayalakshmi and James.