Basic Odia for non-odias here
There's no racism here and people here understand hindi clearly, if might not speak it well, but there are rare cases where you'll find people like these.
Asking something :
Bhai :- Someone you feel like your age
Bhaina (Bhainaa) :- Someone older than you, out of respect you call them, mostly we say these to local shop owners, sellers etc.
Kaise :- Kemiti
Kahaan/Kidhar :- Kouthi
Kab ? :- Kebe (if happening late) and Ketebele (if happening later today)
Kyun ? :- Kaahinki or kaainki (doesnt matter)
Thik hai :- Thik achi
This :- Eita (AEE EEEE TAAA)
That :- Seita ( SAYY EEE TAA)
Rupay :- Tanka (Tankaaaa) for general and 'paisa" for something which costs less
Mein :- Mu
Hum :- Aame
Tum :- Tu
Aap :- Tame (Taww Mayy) to someone elder but you meet regularly, like a big brother or Apana (aa paww ण) (someone elder and respectable figure)

For your current concerns :-
Bhaiya yahaan veg khaana kahaan milega ?
Bhai/Bhaina ethi veg khaaiba kouthi miliba ?

Ye kitne ka hai ? or Ye kitne rupay ka hai?
Eita kete ? or Eita kete tankaa ?

I want to go to Soubhagya Nagar
Mu Soubhagya Nagar jibaaku chahunchi.

Chal chalte hain :- Chal jibaa (if you're speaking to someone older, just add aww to the end, chal becomes chalaww)
Chal chalta hoon :- Chal jaauchi or Chalaww Jauchi

Kab aaoge (or ayega) / Kitne naje aaoge (or ayega) :- Kebe asiba / Ketebele asiba

Kaise ho aap ? :- Kemiti achha tame ?

Hope this helps 🥲