An elderly woman stands for a chest X-ray at the Shakir Ali Kahn hospital. She survived exposure to the toxic gas cloud released by the explosion at the Union Carbide chemical plant 35 years ago

Mohd Haris Sheik is held by his mother Rashida as they arrive at the Chigari Trust clinic for a physical therapy session. He suffers from cerebral palsy. Mohd’s father survived exposure to the toxic gas cloud released by the explosion. Doctors believe the little boy has been genetically affected by his father’s medical history

A cancer patient is comforted by his wife following a chemotherapy session at the Chirayu Cancer Hospital. As a young man, the patient survived exposure to the toxic gas cloud released by the disaster.

Tayeba Mansoor receives physical therapy at the Chingari Trust clinic for a range of genetically transmitted developmental issues. Her father was exposed to the toxic gas.

Suraj Malam Singh receives physical therapy at the Chingari Trust clinic in Bhopal. He was born with cerebral palsy and severe mental illness. His home in the Gareeb Nagar neighbourhood next to the abandoned Union Carbide chemical plant is an area in which the water supply is contaminated by toxic chemicals left in the factory stores and which have leaked into the local water table.

Dr Ashutosh Tyagi, a GP at Bhopal’s Shakir Ali Khan hospital, at his consultation clinic for victims of the Union Carbide chemical plant disaster.

Ankit Kureel (foreground) and Adeeb Ali at the Chigari Trust clinic in Bhopal. Ankit was born with severely impaired hearing. His father survived exposure to the gas cloud. Doctors believe Ankit’s hearing was genetically affected by his father’s medical history. Adeeb has mental development issues and suffers from ADHD. His mother survived exposure to the gas, and doctors believe his development issues are genetically linked to his mother’s medical history.

Alfez clings to his grandmother as they arrive at the Chingari Trust clinic for a physical therapy session. Alfez suffers from a range of developmental issues. Doctors believe Alfez has been genetically affected by his father’s exposure to the toxic gas.

A man living in the Atal Ayub Nagar neighbourhood near the abandoned Union Carbide chemical plant vents his anger over the indifference shown by the Indian government to the impact of the explosion 35 years ago on the lives of those living today in the disaster zone.

Nawab Khan (right), a community activist who works with survivors of the Union Carbide factory disaster, arrives at the home of an elderly widow to see if she needs any help in making her next doctor’s appointment. Her husband died of complications from exposure to the toxic gas cloud released by the explosion at the factory. She makes a living from selling fire wood.

A young woman with developmental issue sits on the pavement outside her home in the Blue Moon neighbourhood of Bhopal, on the edge of the abandoned Union Carbide chemical plant. Her parents survived exposure to the toxic gas cloud released by the explosion at the plant.

Mannish Ahirwaar and his mother Manju at the Chingari Trust clinic, where he receives physical therapy for cerebral palsy. The family lives in the Shiv Nagar neighbourhood near the abandoned Union Carbide chemical plant, an area in which the water supply is contaminated by toxic chemicals left in the factory stores and which have leaked into the local water table.

A woman does laundry outside her home in the Nawab neighbourhood near the abandoned Union Carbide chemical plant. In this area in which toxic chemicals left behind in the factory stores have leaked into the local water table.

Resham Bai, from the J.P. Nagar neighbourhood of Bhopal near the site of the abandoned Union Carbide chemical plant, participates in a torchlight parade through the streets of the city to mark the 34th anniversary of the explosion.

Suraj Malam Singh at his home in the Gareeb Nagar neighbourhood next to the abandoned Union Carbide chemical plant, an area in which the water supply is contaminated. Suraj was born with cerebral palsy and severe mental illness.

As a young woman, Zareena Bano survived exposure to the toxic gas cloud released by the explosion. It has left her with debilitating respiratory and heart problems.

Doctors at the Chirayu Cancer Hospital in Bhopal examine a patient who lives in one of the neighbourhoods outside the walls of the abandoned Union Carbide chemical plant.

Nooran Bee gets a reassuring pat from her doctor during a consultation at the Sambhavna Trust clinic. She lives in Annu Nagar – one of the neighbourhoods near the abandoned Union Carbide factory in which the water supply is contaminated by toxic chemicals left in the factory stores and which have leaked into the local water table.

Bhopal, India: the 35th anniversary of the Union Twin sisters Shazia and Fouziya in their home in the Nawab neighbourhood next to the abandoned Union Carbide Chemical plant. They are both have severe mental development issues. The family lives in an area in which toxic chemicals left behind in the plant stores have leaked into the local water table. Their father, Sadik Ali, survived exposure to the toxic gas cloud released by the explosion at the factory 35 years ago. Doctors believe the twins’ condition has also been genetically affected by their father’s history.

A woman who, as a child, survived exposure to the toxic gas cloud released by the explosion meets with her doctors on their morning rounds at the Chirayu Cancer Hospital in Bhopal.

Nafeesa Bee takes part in a candle light vigil in Bhopal marking the 34th anniversary of the explosion.