Safeguard duties, a lack of long-term buyers and inefficient cost structures are all holding back Modi's ambitious plan. : The national solar mission target looks doubtful as policy uncertainty takes its toll on investor sentiments. The reluctance of state-owned utilities to sign long-term contracts to buy costlier solar energy is not helping the matter either. India has envisaged adding 1 lakh MW (megawatt) solar power capacity by 2022. Against that, it has added a little over 23,000 MW so far. The initial pace of solar capacity addition was quicker than expected thanks to cheaper imports of equipment.