Kolkata (West Bengal) [India], January 10 (ANI): Music maestro Ustad Rashid Khan, who passed away on Tuesday afternoon, was laid to rest with state honours in Kolkata on Wednesday. He also received a gun salute as part of his final rites. West Bengal Chief Minister Mamata Banerjee was in attendance at Rabindra Sadan, where the mortal remains of the late singer were kept, to pay tribute to the Indian classical vocalist Ustad Rashid Khan. Ustad Rashid Khan, 55, was undergoing treatment for cancer at a hospital in Kolkata. He breathed his last at a hospital in Kolkata on Tuesday. On Tuesday, the …