Arunima Sinha, a former national level volleyball player who had lost her left leg after being thrown off a moving train by some hoodlums, created history yesterday by becoming the first Indian amputee to conquer Mount Everest.A Nepal Tourism Ministry official said, 25-year-old Sinha reached the summit of the highest peak in the world at 10.55 am yesterday as a member of the Eco Everest Expedition from the Tata Group. Sinha, a resident of Ambedkar Nagar in Uttar Pradesh, was pushed out of the general compartment of Padmawati Express for resisting a chain-snatching attempt by some criminals, while travelling from Lucknow to Delhi on April 12, 2011.