Book your train tickets from gaya to delhi. Some of the trains running on this route are Koaa Dli Specia, Nandan Kanan Ex, Sdah Ndls Spl, Bbs Rajdhani Ex, Gaya Dli Sf Spl, Neelachal Exp, Kolkata Rajdhni, Rnc Ndls Raj Ex, Koaa Anvtspecia. You can board your train from different locations in gaya like Gaya Jn. Choose your train according to your suitability like trains that run on daily basis like Hwh Dli Klk Mai, Mahabodhi Exp, Sdah Rajdhaniex, Purushottam Exp or train that run sporadically like Koaa Anvtspecia, Nandan Kanan Ex, Sdah Ndls Spl, Poorva Express, Rnc Ndls Raj Ex, Jharkhand Sj Ex, Bbs Rajdhani Ex, Hlz Anvt Wkly S, Hwh Ndls Expres, Kolkata Rajdhni etc. There are different pick up points in gaya from Gaya Jn( like Purushottam Exp, Hlz Anvt Wkly S, Hwh Ndls Expres, Hwh Jsm Exp, Kolkata Rajdhni, Jharkhand Sj Ex, Bbs Rajdhani Ex, Gaya Dli Sf Spl, Neelachal Exp, Koaa Anvtspecia ).