This is high time to pay back by scr. during the SCR formation and restructuring BZA and GTL included in SCR. Before that Southern railway developed well by allocating funds. you may know or may not know they developed Tirupati well. during the SR ruling major Gurage conversions completed. as per my knowledge.
1.Guntur - Vijayawada
2.Vijayawada -Machilipatnam
3....
more... Gudivada -bhimavaram
4.Gudur–Renigunta
Post incorporated to SCR , i don't see significant developments/proposals for these divisions. SCR did for Hyd , SC and NED.