On Tuesday, both of India's key stock indices, Nifty and Sensex, initially made gains but later retreated, primarily driven by declines in energy, metals, and automobile stocks.In the early part of the trading session, both indices had surged by over 0.5% each, with the Nifty achieving a new record high for the second consecutive session. However, as selling pressure materialized, Nifty and sensex slid from record highs and are trading lower.The fall in indices were larges led by small-caps and mid-caps. While small-caps fell over 4%, mid-caps were...