Prime Minister Narendra Modi looks on as Sri Lanka's President Maithripala Sirisena (L) adjusts his earphones during a seminar at the Simhastha Kumbh Mela in Ujjain, India, May 14, 2016. REUTERS/Jitendra Prakash

Prime Minister Narendra Modi gestures as he addresses a gathering during a seminar at the Simhastha Kumbh Mela in Ujjain, India, May 14, 2016. REUTERS/Jitendra Prakash

Prime Minister Narendra Modi gestures as he addresses a gathering during a seminar at the Simhastha Kumbh Mela in Ujjain, India, May 14, 2016. REUTERS/Jitendra Prakash

Hindu pilgrims crowd to board a train at an overcrowded railway station in the northern Indian city of Allahabad February 11, 2013. A stampede at a railway station in Allahabad killed at least 36 Hindu pilgrims on Sunday, the busiest day of the world's largest religious festival at which some 30 million had gathered to wash away their sins in the sacred Ganges river. Twenty-seven of the dead were women, mostly elderly and poor. An eight-year-old girl was also crushed to death. REUTERS/Jitendra Prakash (INDIA - Tags: RELIGION TRANSPORT DISASTER)

Hindu pilgrims sit on railways tracks as they wait to board their trains at an overcrowded railway station in the northern Indian city of Allahabad February 11, 2013. A stampede at a railway station in Allahabad killed at least 36 Hindu pilgrims on Sunday, the busiest day of the world's largest religious festival at which some 30 million had gathered to wash away their sins in the sacred Ganges river. Twenty-seven of the dead were women, mostly elderly and poor. An eight-year-old girl was also crushed to death. REUTERS/Jitendra Prakash (INDIA - Tags: RELIGION TRANSPORT DISASTER)

A Sadhu or a Hindu holyman sits at the door of an overcrowded passenger train after boarding, at a railway station in the northern Indian city of Allahabad February 11, 2013. A stampede at a railway station in Allahabad killed at least 36 Hindu pilgrims on Sunday, the busiest day of the world's largest religious festival at which some 30 million had gathered to wash away their sins in the sacred Ganges river. Twenty-seven of the dead were women, mostly elderly and poor. An eight-year-old girl was also crushed to death. REUTERS/Jitendra Prakash (INDIA - Tags: RELIGION TRANSPORT DISASTER TPX IMAGES OF THE DAY)

People who were injured in a stampede are treated inside a hospital in the northern Indian city of Allahabad February 11, 2013. A stampede at a railway station in Allahabad killed at least 36 Hindu pilgrims on Sunday, the busiest day of the world's largest religious festival at which some 30 million had gathered to wash away their sins in the sacred Ganges river. Twenty-seven of the dead were women, mostly elderly and poor. An eight-year-old girl was also crushed to death. REUTERS/Jitendra Prakash (INDIA - Tags: RELIGION TRANSPORT DISASTER)

A woman wails next to the dead body of her relative who was killed in a stampede, outside a hospital in the northern Indian city of Allahabad February 11, 2013. A stampede at a railway station in Allahabad killed at least 36 Hindu pilgrims on Sunday, the busiest day of the world's largest religious festival at which some 30 million had gathered to wash away their sins in the sacred Ganges river. Twenty-seven of the dead were women, mostly elderly and poor. An eight-year-old girl was also crushed to death. REUTERS/Jitendra Prakash (INDIA - Tags: RELIGION TRANSPORT DISASTER)