An interest rate cut by India’s central bank next year can boost the country’s bond market that has already witnessed its biggest ever low-grade local debt sale this year, according to Deutsche Bank.Earlier in June, Goswami Infratech Pvt., a property firm controlled by billionaire Shapoor Mistry, raised 143 billion rupees ($1.7 billion) offering 18.75%, setting a new benchmark in the high-yield market. Deutsche was one of the arrangers to the sal