To be honest Doubling of GDG BJP is due to NTPC help. They gave crores together money to railways to do doubling and SWR trying to double it in aggressive mode if u want to see the priority of doubling then check any news for SWR doubling related on top priority this Gadag Hotgi doubling u see. Regarding Electrification it's CORE and Indian Railways plan they can delay it but doubling is important as SWR is in contract with NTPC for finishing the doubling in specified duration what they agreed under contract.. So from this u can see Why this route getting doubled and what is future of this route. On other hand Railways took money from LIC for Pune Miraj Belagavi Hubli SBC for doubling so here no any third party like NTPC present so railways double and use it as per their comfort.. Why can't railways take money to...
more... this section? Because it's backward area and no one gona invest here.. Even the area have lot of scope to develop but no interest from state and central govt to utilize the region to gain profit..