Howrah Rajdhani - At 50, the Handsome King 👑 is still ruling the tracks superbly. - Somanko

I am not much known about North KR, but as per knowledge/sources/info -
CR:
Nagothane - Roha - Doubling is in Progress (Unknown about Electrification works)
KR:
Roha - Veer - Doubling. Bhoomi...
more...

Pooja (Foundation) done almost last year, work didn't commence yet.
Electrification tenders are called in last month. Will be taken in 2 Phases -
1) Thokur - Verna
2) Roha - Verna
SR:
MAQ/MAJN : Electrification work is going on.
MAJN- Thokur Doubling with new Station is in Progress. Will take time due to one Tunnel work in between.
New Station - Platform work almost completed, Tracks laid but are yet to be connected to Main line (Update from June,16).
Thokur - Panamburu Port Doubling - Almost completed with working Pending nearby one LC.