There are doubts, too, about TAPI's output: The Asian Development Bank, financiers for the project, has yet to reveal data regarding Turkmenistan's energy resources.

FORBES: IPI vs. TAPI

There are doubts too about TAPI's output: the Asian Development Bank, financiers for the project, have yet to reveal data regarding Turkmenistan's energy resources.

FORBES: India's Iranian Pipeline Deal

The TAPI plan, to bring gas from Turkmenistan through Afghanistan and Pakistan into India, would keep Iran out and diminish Russian influence in Central Asia.

FORBES: India's Iranian Pipeline Deal

Former World Bank economist and energy expert John Foster believes TAPI proponents are underestimating their budget in order to compete more aggressively with the IPI plan.

FORBES: India's Iranian Pipeline Deal