by Harmeet Shah Singh India's Supreme Court received an appeal challenging the death sentence of the only surviving gunman from the 2008 terror attack in Mumbai, authorities said Friday. The plea filed on behalf of Mohammed Ajmal Kasab, was "under process," Supreme Court registrar Pukhraj R. Bora said. It was sent in by the authorities of the Mumbai jail where Kasab is being held, Bora said. No date has yet been set for hearing, he added. A trial court handed down the death sentence last year for Kasab, a Pakistani, on charges of murder, conspiracy and waging war on India. Mumbai's High Court upheld his conviction and sentence in February this year. Convicts on death-row in India reserve the right to challenge the sentencing in the nation's Supreme Court. They can also file a mercy petition with the country's president if the Supreme Court also turns down their plea. During the November 2008 raids, 10 men attacked Mumbai landmarks, including the ...