Manmohan didn't ask your permission or explain to you why he needed to introduce liberal reforms in 1991 when India's foreign reserves were depleted. And today, we enjoy the benefits of those policies. Desperate circumstances (India's energy deficit) require extraordinary measures (risking loss of political power to ensure energy security).
Moreover, the benefits of this deal are self-explanatory. The cost-benefit analysis is not so obvious. However, with the amount of information and opinion pieces out there on the matter, you have enough information to make your own decision.