By Dhwani Pandya and Nandan Mandayam MUMBAI/BENGALURU (Reuters) -LG Electronics is looking to make India its global manufacturing hub, an executive of its Indian unit said on Wednesday, as the appliance maker revives its long-delayed listing in the country and targets a valuation of $8.73 billion. LG Electronics India [LGEL.NS], which has invested $600 million in its upcoming factory in Andhra Pradesh state, will open its 116 billion rupees ($1.3 billion) initial public offering on October 7 for retail i ...