Jairam Ramesh said his effort at the Cancun meet was to ensure a balance.
The US says it will not accept legally binding commitment until it is done equally by India, China.
Facing pressure to accept emissions cuts, India said it will not budge from its stand on the issue.
More countries are expected to pledge specific actions to limit carbon emissions over next decade.
US and China narrowdifferences on a key element - how to monitor greenhouse gas emissions.
More than 400 environmental activists left Mexico City in a convoy headed to a UN climate conference in Cancun.
"A richer tapestry of efforts is needed", warned UN climate chief Christiana Figueres.
The next pit-stop in the annual climate change jamboree is Cancun, Mexico.
India will act as a bridge between developing & developed countries at Cancun summit, says Jairam.
It also offered to go to 30 percent if other industrialised powers follow suit.
The World Health Organisation Tuesday said next month`s Cancun summit must address health concerns.
The top US climate negotiator warned against any expectations of a binding deal at the next UN conference.
“The leadership role that US could have played on climate change is not forthcoming,” says Ramesh.
Jairam Ramesh said a breakthrough at the Cancun meet unlikely due to unwillingness of top emitters.
Day in Pics: 24th September
Showbiz World - September 24, 2014
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