The combination of a tax overhaul and festival demand is pushing credit growth higher. While this could give the economy a short-term lift, lenders are also weighing the risk of overextension.Prime Minister Narendra Modi’s “Diwali gift” has now kicked in. GST has been streamlined to two slabs, 5% and 18%, down from four, with a flat 40% levy on luxury and sin goods, as Finance Minister Nirmala Sitharaman announced on September 3. Most items earlier taxed at 12% or 18% now fall into the 5% band or are exemp ...