Delhi Police have detained former Ranji Trophy player Baburao Yadav from Delhi as investigation moved forward frantically.
Premier Li held talks with Prime Minister Manmohan Singh and issues along the Indo-China border were also discussed.
The petition has also sought an SIT probe into the spot-fixing scandal that has rocked the T-20 cricket tournament.
Sources say the cricketers have been taken to another location where they will be recording their voice samples for a forensic test.
Earlier, the therapy centre's warden, accountant and his wife, a security guard and an administrator were arrested in connection with the case.
The BCCI has backed the need of a tougher legislation to control fixing, sources said on Monday.
On this week's Editor's Response IBN18, Editor-in-Chief, Rajdeep Sardesai takes viewers' questions on product placement, CNN-IBN's coverage of Vodafone and more.
Delhi Police sources told CNN-IBN that police are currently interrogating Baburao, who had allegedly introduced bookie Sunil Bhatia to Ajit Chandila.