A total of 11 international banks have publicly distanced themselves from the project.
Adani described the meeting as warm and productive.
Adani, GVK win Australian state backing to expand coal port.
The company has battled opposition from green groups since starting work on the project five years ago
The project, located 65 km north-west of the Alpha township, will rely on the railway infrastructure of the Alpha Coal project to transport coal to the Port of Abbot Point, Bowen.
The project includes a 300 kms rail line connecting Adani's planned Carmichael Coal Mine, Northwest of clermont, to the Abbot Point Coal port, near the Great Barrier Reef.
The mine, designed to eventually produce 60 million tonnes a year of thermal coal used in power stations, has been the focus of opposition by green groups fighting new coal mines and the rail and ports needed to ship the coal.
Eyeing to become India's largest player in 2020 Adani Group plans to invest 70 per cent of its capital expenditure in clean energy and energy efficient systems.
Adani, which estimates its project will generate more than A$22 billion ($15.6 billion) in taxes and royalties, has yet to line up funding but is sticking to a late 2017 start date.
OSCO E&C said Adani had asked it to halt its design work as of July 16, with tentative plans to resume work in early October.
Coast and Country challenged Adani's plans to build biggest mine in the Galilee Basin.
An Australian environmental group has launched a legal challenge against Adani Enterprises' $7 billion Carmichael coal mine project in the Galilee Basin.
Australia's federal and Queensland governments are eager to see the mine built following the loss of more than 4,000 coal jobs over the past two years, but analysts and project finance experts believe Adani may have underestimated the challenge of raising funds for the project.
'We are writing to respectfully ask you to abandon the Adani Group's proposal in Queensland's Galilee Basin...Pollution from burning coal was the single biggest driver of global warming, threatening life in Australia, India and all over the world'
The approval was announced by Environment Minister Greg Hunt, who said "after undertaking a thorough assessment and consideration under national environment law, I have approved the Carmichael Coal Mine and Rail Infrastructure project, subject to 36 strict conditions".
The immediate denial of any issues with approvals by the Queensland government raises questions as to what Adani is trying to accomplish
The massive coal mine in Queensland state has been a controversial topic, with the project expected to produce 2.3 billion tonnes of low-quality coal.
Parliament in the Australian state of Queensland agreed on Tuesday that India's Adani Enterprises Ltd should be granted "all state government approvals" to build one of the world's biggest coal mines.
The Queensland Government has declared the rail corridor as a Strategic Development Area, the statement said.
The lobby objected to the Indian mining giant's $16.5 bn Carmichael project.
Environmental campaigners say they hope two outstanding court cases can still stop India's Adani Enterprises Ltd from developing a A$10 billion ($7.6 billion) coal project.
Terminal Zero will be constructed at the port of Abbot Point near Bowen town, Queensland, as per the Memorandum of Understanding inked between the company and Korea's POSCO.
The mine got the sign-off from Environment Minister Greg Hunt in October after the company cleared concerns about two rare outback species
The final and last approval for the Adani group's long-delayed billion dollar mega coal mine project came weeks after a surprise election win of Australia's pro-coal ruling coalition led by Prime Minister Scott Morrison.
SBI blamed poor coal prices for the decision to turn down the loan request.
Adani group's 16.5 billion dollar controversy-hit coal mine project in Australia has cleared another hurdle with Brisbane supreme court dismissing an appeal filed by indigenous group against the project.
Adani, which already has mining and environmental licences from the state government, requires the state approvals on management plans on the endangered finch bird and groundwater in order to commence the mine construction.
Media reports said the decision was mutual.
Green and Indigenous groups in Australia have criticised the government's decision to grant new approval to Indian mining giant Adani's $16.5 billion controversial coal mine project in central Queensland.
The statement came a day after cricket legends Ian and Greg Chappell and few other prominent Australians urged Adani Group chairman Gautam Adani to abandon the mine project
Conservation group Coast and Country said that it has filed an appeal to the Supreme Court of Queensland for a judicial review.
The key hurdle Adani needs to clear to secure loans for the Carmichael mine, rail and port project is dredging approval to expand its Abbot Point port.
The $16.5 billion Carmichael coal mine project when completed would be one of the world's largest.
'There is a trade in goods, a lot of tariff.'
Adani Mining is building a 300-km rail line for its about $16 billion Carmichael coal mine project in Australia.
However, Adani Australia has clarified on its Facebook page on Monday that in terms of quality of the coal it is almost 50 per cent better than that used domestically.
90 prominent Australians warn Indian energy giant Adani that its controversial coal mine project in Queensland could damage bilateral ties and even affect sporting links.
The challenge was launched by Mackay Conservation Group in January.
Adani's plan to build one of the world's biggest coal mines in Australia has been hampered time and again
Adani has argued that the Carmichael mine, together with its other projects in Queensland.