* Maruti Suzuki says margins under pressure but no plan to up prices.
* Tata Motors head says waning demand, rising costs hitting automobile cos.
* Hero Honda not to up product prices till Dec despite margin pressure.
* Hyundai India says margin pressure easing on high overseas sales.
* Hindustan Motors to raise pdt prices on rising input costs.
* GAIL to up Pata unit petrochem capacity to 800,000 tn/yr.
* TDSAT to hear COAI plea against dual tech policy Oct 14.
* India Aug electricity generation 59.73 bln kWh, up 0.8% on year.
* Commerce secy sees single-digit inflation by December.
* ACC cement sales in August 1.54 mln tn, down 1.9% on year.
* Apollo Tyres says Kerala unit lockout lifted from Sep 3.
* Sun Pharma arm extends Taro tender offer to Oct 3 from Sep 3.
* NALCO sells 30,000 tn alumina at $362 a tn to Noble Resources.
* India allows export of Pusa 1121 rice variety from Oct 15.
* Govt to review rice, wheat, pulses export ban in Nov first week.
