Indonesia's Jakarta Composite rallied 3.2 percent to a two-month high while the rupiah hit a one-month high as investors cheered President Yudhoyono's last-minute decision to allow the export of copper, iron ore, lead and zinc concentrates to continue, while banning other mineral ore exports.
(Read more: Could the minerals ban worsen Indonesia's deficit?)
Thailand's benchmark SET Index dipped 0.4 percent as anti-government demonstrators in Bangkok vow to shut down the capital and force Prime Minister Yingluck Shinawatra from power. Shares later rallied and finished the session higher by 2.24 percent.
Indian shares meanwhile, rose over 1.8 percent ahead of consumer price inflation data, posting their biggest single-day gain this year.
(Read more: Is India's recovery already over?)
Shanghai 0.5% lower
China's benchmark Shanghai Composite index closed at a new five-month low as investors shrugged off regulatory attempts to control the initial public offering (IPO) market while the yuan hit a fresh record high against the dollar.
On Sunday, the securities regulator said it will make random inspections on book building and roadshows to keep companies in line. Fears that a glut of new listings will hurt liquidity led the index to post a 3 percent weekly loss on Friday.
Among the top losers, Gemdale tumbled 4 percent while Poly Real Estate lost over 2 percent on reports that new land supply in cities will focus on housing, which limits the development of commercial property projects.