Minimal risk involved primary issue concerning these tax saving bonds are that define them open and available solely for a fixed period. As many bonds open they miss, Around february the january 31 deadline of submitting investment proof prevalent in most offices. The major institutions that offer these bonds idbi and, Are icici rural electrification corporation. Term periods can range from five to seven years and interest can vary compared to 6 to 9 percent of annum. Forms for tax saving bonds are available at local distributors that sit on the pavement outside major banks. Companies like icici have not come out with tax saving infrastructure bonds for an extended duration period now.