Long duration debt mutual funds and gilt funds are among the toppers in the return chart. In fact, these two categories are currently offering better returns than many equity mutual fund categories in the one-year horizon. Long duration debt funds have given 7.61 per cent in one year and the gilt funds have given an average return of 8.23 per cent in the same period. Some of the gilt funds have given around 11 per cent in one year. No wonder, many investors want to know whether this is a good ti ..