SER must plan properly, it cannot be the plan to run all MEMUs that will go KGP for maintenance, they can easily make a small MEMU car shed in CKP and revamp 1-2 pitlines.
And all your train list are really needed, except SHM-Adra RajyaRani to BKSC, it may become Two Rajya one Rani! As the concept of RajyaRani was to connect state capitals with important towns of the same state.