* Equity Alert: Welspun Gujarat up on report co eyeing US retailer.
* Equity Alert: Tata Motors up 2%; resistance seen at 530 rupees .
* Equity Alert: GTL Infra up 2%; reports say promoters to up stake .
* Equity Alert: GHCL shares hit upper circuit on report of stake sale.
* Head says Karnataka Bank to write off 1.45 bln rupees of farm loan.
* 12.33pm FTSE 100 at 5849.70, up 22.40 pts or 0.4% from Tue.
* ONGC to give BHEL up to 10-bln-rupee order for onland rig revamp.
* Equity Alert: Cairn India falls 2% as crude oil prices ease.