ISLAMABAD, Nov 4 (INP) Minister for Power Owais Leghari has said that power supply situation would improve in the next one and a half months, which has been affected due to smog in Punjab. In an interview the Power minister said that the national institutions were not paying their dues and to overcome the problem and NEPRA will have to amend the relevant law in the larger national interest. He said in view of the shortage of electricity, thirty thousand tubewells will have to be converted to solar system. He said that complaints were being received against DISCOS and a decision for awarding three years jail for those indulging in overbilling will be taken soon.At the sametime he emphasised that DISCOS will have to improve their functioning to reduce circular debt. The Minister said that the power transmission system has improved with the joining of Shanghai electric and similarly the K-electric system has also improved by Abraaj Group. INP/AH