(Adds GlaxoSmithKline, Air Canada, Serta Simmons, Cepsa)
Aug 21 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 2000 GMT on Tuesday:
** GlaxoSmithKline is seeking initial bids by mid-September for its India-focused Horlicks health nutrition business, which is expected to fetch more than $4 billion, two people familiar with the situation said.
** Air Canada and its partners said that data analytics firm Aimia Inc had accepted a cash offer of C$450 million ($345 million) for the sale of its Aeroplan loyalty program.
** Mattress maker Serta Simmons Bedding LLC will merge with Tuft & Needle as the two companies look to take on stiff competition from cheaper Chinese products in the U.S. market.
** The Abu Dhabi owner of Spanish energy company Cepsa is expected to opt for an IPO instead of a private stake sale and plans to launch the listing as early as September, according to four banking sources familiar with the deal.
** China Biologic Products Holdings Inc received a $3.9 billion all-cash offer from a consortium of investment firms, valuing the Beijing-based company at slightly above an earlier buyout proposal from a CITIC Capital unit.
** Australian hospital operator Healthscope, which recently rejected two takeover approaches, plans to inject A$1 billion ($731.6 million) of its property assets into a trust and sell nearly half of that to an investor.
** Australian garbage handler Bingo Industries is buying smaller rival Dial A Dump Industries for A$577.5 million ($423 million) to build capacity to process kerbside trash, in a move aimed at cashing in on a Chinese ban on waste imports.
** Swedish healthcare company Capio plans to sell its French business to Vivalto Sante in a deal worth up to 455 million euros ($520 million) to focus on its less capital intensive Nordic operations.
** The chemical manufacturing unit of Malaysia's state energy firm Petronas is actively looking to acquire companies to expand its specialty chemical business, its chief executive officer said. (Compiled by Karan Nagarkatti and Tamara Mathias in Bengaluru)