The government today said private partners of Airports Authority of India (AAI) for the restructuring of Delhi and Mumbai airports were likely to be finalised by July or August."Nine private partners have already been given 12 weeks time to submit their technical and financial bids. Based on their bids, we expect to take a final decision by July or August this year," Ajay Prasad, secretary of civil aviation, said today.Prasad also said AAI would borrow from the markets to fund airport expansion and upgradation programmes. "We have already started the process to raise funds through debt," he said without disclosing the amount to be raised.