Mukherjee prospered in Lucknow. For helping the British during the Sepoy Mutiny, he was rewarded with the Shankarpur taluk in 1859. He was made honorary assistant commissioner of Lucknow and Awadh. He started publishing "Lucknow Times", "Samachar Hindustani" and "Bharat Patrika" from Lucknow. He established the Canning College at Lucknow. He was honoured with the title of 'Raja' by the Viceroy, Lord Mayo in 1871.