Both comes under different sections
Davangere - Devaragudda doubling completed
Devaragudda - Hubballi forget about this route not even 25% of the work is done it may take another 2-3 years.
Coming to doubling in Gadag Hotgi section
Hotgi...
more... - Wandal doubling is completed (dont know how much of the stretch is comissioned)
Remaining route it will be completed by March 2021 along with electrification of entire route provided there is no hurdles