As far as my logic is concern, the line will bifurcate from Sarnath station & cross NH 233B somewhere after Rani Ki Sarai and will get connected to main line near Circuit House in Azamgarh.
The line going towards Dohrighat will get bifurcate from Azamgarh Railway Station itself near Sidhari Halt and go to Mubarakpur, Jiyanpur, Latghat.......
If it ever gets to the reality
please wait...Translate to HindiJitna mere logic ki baat hai, line Sarnath station se bifurcate hogi aur NH 233B ko Rani Ki Sarai ke baad kahin cross karegi aur Azamgarh ke Circuit House ke paas main line se judegi.
Line, Dohrighat ki taraf jaane wali, Azamgarh Railway Station se hi bifurcate hogi, Sidhari Halt ke paas, and Mubarakpur, Jiyanpur, Latghat tak jaayegi.....
Agar yeh kabhi haqiqat mein aata hai.