via Dehri- Gaya- Dhanbad- Asansol- HOWRAH [CHANGE TRAIN HERE] - Kharagpur- Balasore- Bhadrak- Cuttack- BHUBANESWAR khurda road- Brahmapur- vizianagaram - Visakhapatnam- Vijayawada- guntur- Secunderabad (/ Hyderabad)....
[NOTE: This chain is helpful if seats are not available in 12791/Patna-Secunderabad or 12389/Gaya-Warangal weekly]... Only train 12354 before 12308/JU-HWH from Gaya to HWH ...... more...
And moreover this chain is much useful during Winter season (November-March during Fog time). .... And I have used this chain-- http://indiarailinfo.com/pnr/post/1472219
21373/Σ Dehri- Gaya to Secunderabad (/Hyderabad) [Catch 2nd train 12703/Falaknuma on next day at Howrah] ΣChain