["bangalore-chennai"] = "Bangalore–Chennai",
["delhi-chennai"] = "Delhi–Chennai",
["delhi-mumbai"] = "Delhi–Mumbai",
["howrah-chennai"] = "Howrah–Chennai",
["howrah-delhi"] = "Howrah–Delhi",
["howrah-mumbai"] = "Howrah–Mumbai",
["mumbai-chennai"] = "Mumbai–Chennai",
["ahmedabad-botad line"] = "Ahmedabad–Botad line",
["ahmedabad-mumbai main line"] = "Ahmedabad–Mumbai main line",
["ahmedabad-udaipur line"] = "Ahmedabad–Udaipur line",
["ara-sasaram line"] = "Ara–Sasaram line",
["asansol-patna section"] = "Asansol–Patna section",
["bakhtiyarpur-tilaiya line"] = "Bakhtiyarpur–Tilaiya line",
["bangalore-arsikere-hubli line"] = "Bangalore–Arsikere–Hubli line",
["bangalore-kolar line"] = "Bangalore–Kolar line",
["barauni-guwahati line"] = "Barauni–Guwahati line",
["barauni-katihar section"] = "Barauni–Katihar section",
["bhimavaram-narasapuram branch line"] = "Bhimavaram–Narasapuram branch line",
["bhimavaram-narasapur branch line"] = "Bhimavaram–Narasapur branch line",
["bhimavaram-nidadavolu section"] = "Bhimavaram–Nidadavolu section",
["bhopal-ujjain branch line"] = "Bhopal–Ujjain branch line",
["bibinagar-kazipet branch line"] = "Bibinagar–Kazipet branch line",
["bilaspur-nagpur section"] = "Bilaspur–Nagpur section",
["chennai central-bangalore city line"] = "Chennai Central–Bangalore City line",
["delhi-chennai line"] = "Delhi–Chennai line",
["delhi-meerut-saharanpur line"] = "Delhi–Meerut–Saharanpur line",
["dildarnagar-tarighat branch line"] = "Dildarnagar–Tarighat branch line",
["duvvada-vijayawada section"] = "Duvvada–Vijayawada section",
["gaya-kiul line"] = "Gaya–Kiul line",
["gudivada-machilipatnam branch line"] = "Gudivada–Machilipatnam branch line",
["gudur-katpadi branch line"] = "Gudur–Katpadi Branch line",
["gudur-renigunta section"] = "Gudur–Renigunta section",
["guntakal-renigunta section"] = "Guntakal–Renigunta section",
["guntur-krishna canal section"] = "Guntur–Krishna Canal section",
["guntur-nallapadu section"] = "Guntur–Nallapadu section",
["guntur-tenali section"] = "Guntur–Tenali section",
["howrah-chennai main line"] = "Howrah–Chennai main line",
["howrah-delhi main line"] = "Howrah–Delhi main line",
["howrah-new jalpaiguri line"] = "Howrah–New Jalpaiguri line",
["hyderabad-dhone section"] = "Hyderabad–Dhone section",
["kacheguda-manmad section"] = "Kacheguda–Manmad section",
["kanjari boriyavi-vadtal line"] = "Kanjari Boriyavi–Vadtal line",
["katihar-siliguri line"] = "Katihar–Siliguri line",
["kothavalasa-kirandul line"] = "Kothavalasa–Kirandul line",
["madurai-bodinayakkanur branch line"] = "Madurai–Bodinayakkanur branch line",
["mangalore-hassan-mysore line"] = "Mangalore–Hassan–Mysore line",
["meerut-bulandshahr-khurja line"] = "Meerut–Bulandshahr–Khurja line",
["nadikudi-macherla branch line"] = "Nadikudi–Macherla branch line",
["nallapadu-nandyal section"] = "Nallapadu–Nandyal section",
["narkatiaganj-bhikhna thori branch line"] = "Narkatiaganj–Bhikhna Thori branch line",
["neora-daniyawan-bihar sharif-sheikhpura line"] = "Neora–Daniyawan–Bihar Sharif–Sheikhpura line",
["neora-jatdumari-daniyawan-bihar sharif-sheikhpura line"] = "Neora–Jatdumari–Daniyawan–Bihar Sharif–Sheikhpura line",
["new delhi-chennai main line"] = "New Delhi–Chennai main line",
["new delhi-mumbai main line"] = "New Delhi–Mumbai main line",
["pagidipalli-nallapadu section"] = "Pagidipalli–Nallapadu section",
["patna-gaya line"] = "Patna–Gaya line",
["patna-mughalsarai section"] = "Patna–Mughalsarai section",
["patna-sonepur-hajipur section"] = "Patna–Sonepur–Hajipur section",
["peddapalli-nizamabad section"] = "Peddapalli–Nizamabad section",
["renigunta-katpadi section"] = "Renigunta–Katpadi section",
["solapur-guntakal section"] = "Solapur–Guntakal section",
["sonepur-patna"] = "Sonepur–Patna",
["tenali-gudur section"] = "Tenali–Gudur section",
["tenali-repalle branch line"] = "Tenali–Repalle branch line",
["udhna-jalgaon line"] = "Udhna–Jalgaon line",
["vijayawada-gudivada section"] = "Vijayawada–Gudivada section",
["vijayawada-gudur section"] = "Vijayawada–Gudur section",
["vijayawada-hubballi line"] = "Vijayawada–Hubballi line",
["vijayawada-nidadavolu loop line"] = "Vijayawada–Nidadavolu loop line",
}
}  
return p