Australia is stepping up military co-operation with India in a bid to give a four-way partnership with Japan and the US “teeth”, in what sources say is a play to keep Washington engaged amid concerns over China’s growing military might.Anthony Albanese and his Indian counterpart Narendra Modi will on Thursday meet in Melbourne just days after China launched a nuclear-capable missile into the South Pacific.While there will be plenty of smiley photo opportunities, NewsWire understands much of the talks will centre on defence and security.Both Australia and India, alongside Japan and the US, are members of the Quad – a...