Pic 1
3/4 is Golden Temple Mail
19/20 is Bandra Terminus - Haridwar Express (Used to run between Bombay Central and Dehradun)
25/26 is Paschim Express (It was fully AC train back then and terminal was Bombay Central)
151/152 is Mumbai Rajdhani Express (It was Bi weekly then)
171/172 is Swaraj Express (Used to run between Bombay Central and Jammu Tawi and was bi weekly)
No idea about
23/24 Bombay Central - Faizabad Express
181/182 Ahmedabad - New Delhi Bi weekly Express (Definitely its not Gujarat Sampark Kranti)
Pic 2 & 3
1/2 is Netaji Express
3/4 is Golden Temple Mail
25/26 is Paschim Express
33/34 is Jammu Mail
47/48 is Shan E Punjab Express (Terminal was H. Nizamuddin then)
57/58 is CSMT - ASR Express
161/162 is TATA - JAT Express
171/172 is Swaraj Express
177/178 is Jhelum Express
No idea about rest of the trains.
Synopsis:
Only Swaraj Express is slowed down even after 130 MPS and rest all are speeded up.