India, Nov. 11 -- Every battery has two electrodes, and the negative one is made mostly of graphite. India makes cells and assembles battery packs, but the graphite for the negative side has largely come from abroad. Building that capacity at home is a slow, technical job, and it matters for anyone who wants a secure supply of batteries.

The Nifty 50 was trading at 25,413.90, up 1.47%. Meanwhile, Sensex also rose 1.68% to 82,467.59 on Wednesday. Meanwhile, shares of HEG Advanced Materials Ltd. were trading at Rs. 300.55, up 3.89 percent from previous close of Rs. 289.30. The stock opened at Rs. 296.90 and reached an intraday high of Rs. 305.00 and low of Rs. 291.00. The company currently has a market capitalization of Rs. 9,882 crores....