According to a power ministry official “Tariff-based competitive bidding can not be undertaken for hydro projects in the country due to high levels of uncertainties arising out of construction risks, adverse geological conditions, delays in land acquisition, natural calamities, among other things. Keeping these things in mind, it has been proposed to exempt all the companies from tariff-based bidding in this regard,”. The Central Electricity Authority must also approve however the developers in order for them to qualify.