Indo-US nucelar deal

A lot of water has flown down the river Ganges since the Nuclear Deal was signed between the two biggest democracies of the world. It has not been a cake walk for either of them since then. Keeping track of the drama unfolding bt Washington and New Delhi, i feel, all outstanding issues/concerns needs a lot of bilateral sittings to sort. Read thru some latest news on this. N-deal hits roadblock, India worried.