Diesel Locomotive Works (DLW), Varanasi manufactured 30564 WAP-7 Santragachi (SRC), which was once with Tatanagar (TATA), crawls in with 20821/Dn. Pune - Santragachi (Kolkata) Humsafar Express (via Panvel-Kalyan) on a hot humid afternoon!
Most interesting thing is this is the only train from Kolkata with crosses scenic Western Ghats (Sahyadri) two times, which are Thal Ghat & Bhor Ghat to reach destination!