In a statement , the country 's top business lobby , the Confederation of Indian Industry , called for immediate reforms in the power sector . Outage held up at least 300 trains in the region , Indian railway spokesman says . Comment: Power was partially restored after about six hours , authorities said . Blackouts become more common during summer every year when demand shoots up .
Outage held up at least 300 trains in the region , Indian railway spokesman says . Comment: Power was partially restored after about six hours , authorities said . Blackouts become more common during summer every year when demand shoots up .