** Power Grid NSE:POWERGRID, CESC NSE:CESC rise 2.5% and 1.3%, respectively
** Antique Stock Broking analysts Vishal Periwal, Shubham Shelar highlight stocks as key beneficiaries of strong demand growth over next four months
** Say power demand subdued in June quarter due to early and heavy monsoon; however, output up 3% in July and 4% in August
** Add valuations in power sector corrected sharply, creating attractive entry points
** Brokerage reiterates constructive view on sector, naming PGRD its top large-cap pick, backed by rising capex, higher capitalisation
** Prefers CESC in mid-caps, forecasting double-digit PAT growth from expanding renewables portfolio
** Rates both "buy"
** YTD, PGRD and CESC fall 9.35% and 16.1%, respectively