Kekti Bai (C), who underwent a sterilisation surgery at a government mass sterilisation camp, watches while other women sit inside a hospital at Bilaspur district in the eastern Indian state of Chhattisgarh November 15, 2014. Tablets linked to the deaths of more than a dozen women who visited a sterilisation camp in India are likely to have contained a chemical compound commonly used in rat poison, two senior officials in Chhattisgarh state said on Saturday. REUTERS/Anindito Mukherjee (INDIA - Tags: HEALTH CRIME LAW SOCIETY) 

Children of the women who underwent sterilisation surgery at a government mass sterilisation camp, play inside a hospital ward at Bilaspur district in the eastern Indian state of Chhattisgarh November 15, 2014. Tablets linked to the deaths of more than a dozen women who visited a sterilisation camp in India are likely to have contained a chemical compound commonly used in rat poison, two senior officials in Chhattisgarh state said on Saturday. REUTERS/Anindito Mukherjee (INDIA - Tags: HEALTH CRIME LAW SOCIETY) 

Women who underwent sterilisation surgery at a government mass sterilisation camp, queue with their children to receive food inside a hospital at Bilaspur district in the eastern Indian state of Chhattisgarh November 15, 2014. Tablets linked to the deaths of more than a dozen women who visited a sterilisation camp in India are likely to have contained a chemical compound commonly used in rat poison, two senior officials in Chhattisgarh state said on Saturday. The picture was taken through a glass pane. REUTERS/Anindito Mukherjee (INDIA - Tags: HEALTH CRIME LAW SOCIETY) 

A plate of food is pictured on the bed of a woman who underwent sterilisation surgery at a government mass sterilisation camp, as she rests inside a hospital at Bilaspur district in the eastern Indian state of Chhattisgarh November 15, 2014. Tablets linked to the deaths of more than a dozen women who visited the sterilisation camp in India are likely to have contained a chemical compound commonly used in rat poison, two senior officials in Chhattisgarh state said on Saturday. REUTERS/Anindito Mukherjee (INDIA - Tags: HEALTH CRIME LAW SOCIETY FOOD) 

Khelan Bai, the grandmother of a victim who died after she underwent surgery at a government mass sterilization camp, mourns in her house at Bilaspur district in the eastern Indian state of Chhattisgarh November 14, 2014. REUTERS/Anindito Mukherjee 

Women, who underwent surgery at a government mass sterilization camp, pose for pictures inside a hospital at Bilaspur district in the eastern Indian state of Chhattisgarh November 14, 2014. REUTERS/Anindito Mukherjee 

Relatives of a woman (not pictured), who underwent surgery at a government mass sterilization camp, are seen sitting inside an ambulance while shifting the woman to a private hospital from the Chhattisgarh Institute of Medical Sciences (CIMS) hospital in Bilaspur, in the eastern Indian state of Chhattisgarh November 14, 2014. REUTERS/Anindito Mukherjee 

Bedan Bai, 70, the mother of a victim who died after undergoing a sterilization surgery at a government mass sterilization camp, holds her granddaughter Kirti outside her house at Bilaspur district in the eastern Indian state of Chhattisgarh November 15, 2014. Tablets linked to the deaths of more than a dozen women who visited a sterilization camp in eastern India are likely to have contained a chemical compound commonly used in rat poison, a senior official in Chhattisgarh state said on Saturday. REUTERS/Anindito Mukherjee 

Indra Bai, the mother of a victim who died after she underwent surgery at a government mass sterilization camp, holds a child as she mourns in her house at Bilaspur district in the eastern Indian state of Chhattisgarh November 14, 2014. REUTERS/Anindito Mukherjee 

A woman, who underwent surgery at a government mass sterilization camp, lies on a stretcher as she is taken to a hospital in Bilaspur, in the eastern Indian state of Chhattisgarh November 14, 2014. REUTERS/Anindito Mukherjee 

A woman, who underwent surgery at a government mass sterilization camp, feeds her child while sitting on a hospital bed for treatment in Bilaspur, in the eastern Indian state of Chhattisgarh November 14, 2014. REUTERS/Anindito Mukherjee 

An Indian policeman enters inside the complex of a pharmacy factory that was sealed by the Indian government officials at Bilaspur district in the eastern Indian state of Chhattisgarh November 14, 2014. One person has died and six more were hospitalized after consuming antibiotic tablets apparently from the same batch blamed for more than a dozen deaths following a sterilization camp in eastern India, two hospital officials said. The new patients did not take part in the sterilization camps and had consumed the drugs separately, the officials said. REUTERS/Anindito Mukherjee 

A woman, who underwent surgery at a government mass sterilization "camp", walks to sit in a hospital bed at a district hospital in Bilaspur, in the eastern Indian state of Chhattisgarh, November 13, 2014. REUTERS/Anindito Mukherjee 

A woman, who underwent surgery at a government mass sterilization "camp", is transferred to a private hospital from the Chhattisgarh Institute of Medical Sciences (CIMS) hospital in Bilaspur, in the eastern Indian state of Chhattisgarh, November 13, 2014. REUTERS/Anindito Mukherjee 

Doctors tend to a woman, who underwent surgery at a government mass sterilization "camp", at Chhattisgarh Institute of Medical Sciences (CIMS) hospital in Bilaspur district, in the eastern Indian state of Chhattisgarh, November 13, 2014. REUTERS/Anindito Mukherjee 

Policemen stand as the area is fumigated outside Chhattisgarh Institute of Medical Sciences (CIMS) hospital where several women, who underwent surgery at a government mass sterilization "camp", are treated in Bilaspur district, in the eastern Indian state of Chhattisgarh, November 13, 2014. REUTERS/Anindito Mukherjee 

A girl looks out from inside a ward where several women, who underwent surgery at a government mass sterilization "camp", are treated at Chhattisgarh Institute of Medical Sciences (CIMS) hospital in Bilaspur district, in the eastern Indian state of Chhattisgarh, November 13, 2014. REUTERS/Anindito Mukherjee 

A view of the hospital where over 80 women underwent surgery at a government mass sterilization "camp", in Pandari in Bilaspur district, in the eastern Indian state of Chhattisgarh, November 13, 2014. REUTERS/Anindito Mukherjee 

A stray dog stands inside a hospital where over 80 women underwent surgery at a government mass sterilization "camp", in Pandari in Bilaspur district, in the eastern Indian state of Chhattisgarh, November 13, 2014. The word on the board inside the building reads: "reception". REUTERS/Anindito Mukherjee 

R.K.Gupta (L), a doctor who performed sterilization surgeries at a government mass sterilization "camp", sits at a police station as police and the media look on in Bilaspur, in the eastern Indian state of Chhattisgarh, November 13, 2014. Gupta, whose sterilization of 83 women in less than three hours ended in at least a dozen deaths said the express operations were his moral responsibility and blamed adulterated medicines for the tragedy. Gupta, who says he has conducted more than 50,000 such operations, denied that his equipment was rusty or dirty and said it was the government's duty to control the number of people that turned up at his family-planning "camp". REUTERS/Anindito Mukherjee 

A woman, who underwent surgery at a government mass sterilization "camp", sits in a hospital bed for treatment at Chhattisgarh Institute of Medical Sciences (CIMS) hospital in Bilaspur, in the eastern Indian state of Chhattisgarh, November 13, 2014. REUTERS/Anindito Mukherjee 

Ram (C), husband of Satvi, who died after she underwent surgery at a government mass sterilization "camp", walks with family members and relatives during his wife's funeral rites in Bilaspur district, in the eastern Indian state of Chhattisgarh, November 13, 2014. REUTERS/Anindito Mukherjee 

Narain, 8, holds a photo of his 30-year-old mother Phoolbai, who died after she underwent surgery at a government mass sterilization "camp", at his home in Aamsena village in Bilaspur district, in the eastern Indian state of Chhattisgarh, November 13, 2014. REUTERS/Anindito Mukherjee 

The mother of 30-year-old Phoolbai, who died after she underwent surgery at a government mass sterilization "camp", reacts at her home in Aamsena village in Bilaspur district, in the eastern Indian state of Chhattisgarh, November 13, 2014. REUTERS/Anindito Mukherjee 

A hospital staff member takes blood sample from a woman, who underwent surgery at a government mass sterilization "camp", at Chhattisgarh Institute of Medical Sciences (CIMS) hospital in Bilaspur, in the eastern Indian state of Chhattisgarh, November 13, 2014. REUTERS/Anindito Mukherjee 

Women, who underwent surgery at a government mass sterilization "camp", lie in hospital beds for treatment at Chhattisgarh Institute of Medical Sciences (CIMS) hospital in Bilaspur, in the eastern Indian state of Chhattisgarh, November 13, 2014. REUTERS/Anindito Mukherjee 

A woman, who underwent surgery at a government mass sterilization "camp", lies in a stretcher before she is shifted to a private hospital from the Chhattisgarh Institute of Medical Sciences (CIMS) hospital in Bilaspur, in the eastern Indian state of Chhattisgarh, November 13, 2014. REUTERS/Anindito Mukherjee