India, Nov. 10 -- Every Indian city that wants cleaner air runs into the same problem: buses. They carry millions of commuters every day and burn diesel, and most are run by state transport bodies with tight budgets. Electric buses only work when someone shares the upfront cost. That is why the sector depends on government-backed contracts, assured payment structures and a few manufacturers who can deliver at scale.

The Nifty 50 closed at 25,044.65, up 0.23%, while the Sensex ended 0.13 % higher, at 81,106.65 on Monday. On the other hand, shares of Olectra Greentech Ltd. closed at Rs. 1,079.50 from its previous close of 1,058 on the NSE, up about 2.03 percent. The stock touched an intraday high of Rs. 1,098.60 and a low of Rs. 1,043.75....