Pic 1 301/301 is Deccan Queen 303/304 is Mahalaxmi Express 305/306 is Deccan Express 307/308 is Koyna Express 309/310 is Sinhagad Express 311/312 was Sahyadri Express (Cancelled in ZBTT) 207/208 looks like MG version of Rani Chennamma Express (Not sure about it)
No idea about rest of the trains.
Pic 2 9/10 is Mumbai CSMT - Chennai Egmore Mail (Terminal was Madras Central then) 11/12 is Mumbai CSMT - Chennai Express (Terminal was Dadar then) 31/32 is Hyderabad - Mumbai CSMT Superfast Express 81/82 is Kanniyakumari - Pune Express (Used to run between Trivandrum Central and Bombay V. T) 101/102 is Konark Express (Bombay Secunderabad Minar Express and Secunderabad Bhubaneshwar Konark Express were mereged together to form the current Konark Express) 145/146 is Navjeevan Express (Terminal was Madras Beach then) 323/324 is Siddheshwar Express 29/30 is Rayalaseema Express
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