There are total 224 stations with unique station name as station code:-
ADRA>Adra
AIT>Ait
AJIT>Ajit
AJNI>Ajni
AKOT>Akot...
more...

AKRA>Akra
ALAI>Alai
ALAL>Alal (formely_ ALL)
ALAU>Alau
ALER>Aler
AMIN>Amin
AMLA>Amla
AMLI>Amli
AMLO>Amlo
AMOD>Amod
ANAS>Anas
ANTU>Antu
APTA>Apta
ARA>Ara
ARAG>Arag
ARVI>Arvi
ASAN>Asan
ASLU>Aslu
ATA>Ata
ATRU>Atru
ATUL>Atul
AUNG>Aung
AUWA>Auwa
BALE>Bale
BANI>BANI (Old Code_ VAI)
BANO>Bano
BAR>Bar
BARH>Barh
BARI>Bari
BEAS>Beas
BELA>Bela
BENL>Benl
BERO>Bero
BHUA>Bhua
BHUJ>Bhuj
BINA>Bina
BIR>Bir
BIRA>Bira
BOKO>Boko
CHAS>Chas
DARA>Dara
DET>Det
DEWA>Dewa
DING>Ding
DIPA>Dipa
DISA>Disa
DIVA>Diva
DODH>Dodh
DUAN>Duan
DURG>Durg
DUSI>Dusi
DW>DW
EKMA>EKMA(Old Code_ EM)
ETAH>Etah
GAUR>Gaur
GAYA>Gaya
GEDE>Gede
GHER>Gher
GHUM>Ghum
GILL>Gill (Old GLL)
GOLE>Gole
GOT>Got
GUA>Gua
GUMA>Guma
GUNA>Guna
HAPA>Hapa
HAUR>Haur
HER>Her
HIND>Hind
HOL>Hol
IB>Ib
IDAR>Idar
IMLI>Imli
ITKY>Itky
JAIS>Jais
JARI>Jari
JEUR>Jeur
JHAR>Jhar
JHIR>Jhir
JIND>Jind
JITE>Jite
KADI>Kadi
KASU>Kasu
KAVI>Kavi
KHAR>Khar
KHAT>Khat
KHED>Khed
KHOH>Khoh
KIM>Kim
KITA>Kita
KIUL>Kiul
KLNG>Klng
KODI>Kodi
KOKA>Koka
KOLE>Kole
KONA>Kona
KORA>Kora
KOTA>Kota
KOTI>Koti
KUHI>Kuhi
KUP>Kup
KURI>Kuri
LAUL>Laul
LEDO>Ledo
LING>Ling
LOHA>Loha
LONI>Loni
LUNI>Luni
LUSA>Lusa
MAEL>Mael
MAHE>Mahe
MAL>Mal
MALA>Mala
MANA>Mana
MAU>Mau
MAUR>Maur
MHOW>Mhow
MOGA>Moga
MONE>Mone
MOR>Mor
MOTA>Mota
MUPA>Mupa
MURI>Muri
NANA>Nana
NERI>Neri
NIDI>Nidi
NILD>Nild
NIRA>Nira
NOLI>Noli
NUA>Nua
OD>Od
ODHA>Odha
ODUR>Odur
OEL>Oel
OHAN>Ohan
OKHA>Okha
ORAI>Orai
ORDI>Ordi
ORGA>Orga
ORKI>Orki
ORR>Orr
PALI>Pali
PATA>PATA(Old Code_ PTX)
PAVI>Pavi
PEN>Pen
PGDP>Pgdp
POHE>Pohe
PORA>Pora
PUDI>Pudi
PUNE>Pune
PURI>Puri
RAHA>Raha
RANI>Rani
RAS>Ras
RAU>Rau
RAY>Ray
RAYA>Raya
REN>Ren
REWA>Rewa
RIGA>Riga
ROH>Roh
ROHA>Roha
RORA>Rora
RURA>RURA (Old Code_ RRH)
SALI>Sali
SANK>Sank
SELU>Selu
SHER>Sher (Old Code_ SH)
SIHO>Siho
SIKA>Sika
SINI>Sini
SNND>Snnd
SONI>Soni
SORO>Soro
SUI>Sui
SUKU>Suku
TADA>Tada
TAKU>Taku
TALA>Tala
TALL>Tall
TAPA>Tapa
TATI>Tati
TELI>Teli
TELO>Telo
TENI>Teni
THAL>Thal
THAM>Tham
THAN>Than
TIBI>Tibi
TIHU>Tihu
TIK>Tik
TISI>Tisi
TORI>Tori
TULI>Tuli
TUNG>Tung
TUNI>Tuni
TUWA>Tuwa
TVD>Tvd
UD>Ud
UGU>Ugu
UGWE>Ugwe
UMED>UMED (Old Code_ UMD)
UMRA>Umra
UMRI>Umri
UNA>Una (Gujarat)
UNDI>Undi
UREN>Uren
URGA>Urga
URMA>Urma
USRA>Usra
VAPI>Vapi
VASO>Vaso
VEER>Veer
VELI>Veli
VINA>Vina
WADI>WADI (Old Code_ WD)
WAIR>WAIR (Old Code_ WIR)
WANI>Wani
WENA>WENA (Old Code_ WEN)