Please read my proposal (its lengthy a bit)!!!
List of new trains which can be proposed by SCR with just changing time and days of operation and without requiring any extra rake!!!
1. SC-VSKP Duronto and SC-CCT AC Express can share their rakes and SC-VSKP AC Express can be introduced.
a) Duronto Dep from SC (same timings, Sa,Tu,Th from SC, arrive back to SC...
more...

on M,Th,Sa)
b) Cocanada AC Express (same timings, Su,M,W from SC, arrive back to SC on Tu,W,F)
c) VSKP AC Express (same timings as of special, Fri from SC, arrive back to SC on Su)
2. Change in Days of operation of 12219/20 and introducing New SC-ADI AC Duronto Express.
a) SC-LTT Duronto must depart SC on W,F instead of Tu,F and arrive back to SC on F,Su instead of Th, Su.
b) SC-ADI AC Duronto Express must depart SC on Sun at 11.05PM (slot of 12220) and arrive ADI at 4.55PM on Monday.
c) ADI-SC AC Duronto Express can depart at 5.00PM on Tue from ADI and can arrive SC at 11.05 AM on Wednesdays.
3. Change in Days of operation of 12773/74 and introducing New SC-LKO AC SF Express.
a) SC-SHM AC Express must depart SC on Sat at 5.55PM (slot of APSK Exp) and arrive SHM at 6.55PM on Sunday (slot before 22893 can be adjusted).
b) SHM-SC AC can depart at 11.00AM from SHM (slot of 12245) and can arrive SC at 12.00 PM on Tuesdays.
c) New SC-LKO AC SF Express departing SC on Wed @ 8.30AM(slot of 12649 KSK Express), arrive LKO around 9.15 AM on Thu.
d) LKO-SC AC SF Express departing LKO on Thu @ 6.30 PM (Before Pushpak Express), arrive SC around 7.30 PM on Fri (After AP Express).
4. Weekly Double Decker train to Nanded (Monday Only) RSA with TPTY/GNT DD.
5. Weekly AC SF/Duronto Express to Chennai (RSA with SC Rajdhani).
a) SC dept on Mon @ 11.05 PM(12220 slot), arr MAS @ 11.15 AM on Tue (12552 slot).
b) MAS dept on Tue @ 4.10 PM(12551 slot), arr SC @ 4.20 AM on Wed (12769 slot).
6. Weekly SC-BZA Express (RSA with NZM Duronto).
a) Same timings as of 02707 and 07207 in both directions.
b) SC dep on Tuesday night, arrive back to SC on Thursday early morning.
7. Weekly KCG-JAT Weekly SF Express via New Delhi (RSA with 17616)
a) KCG Dep on Mon @ 10.40 PM (just before Dakshin), Dep NDLS @ 1 AM (Wed), Arr JAT @ 1PM (Wed).
b) JAT Dep on Wed @ 10.10 PM, Dep NDLS @ 10 AM (Thu). Arr KCG @ 12.30PM (Fri, Kongu slot).
Hope u find it good.
Thanx for the patience... :)