The word Punjabi Bania or Vaish in your Wikipedia is not correct due to following region:-
1)Agarwal bania is on of the largest subcaste of vaish caste in India.They are divided in following manner:-
(A)According to their places or inhabitation(last two Used only by agarwal people in old days now eliminated)
(a)Marwari
(b)Purabiye(Eastern)
(c)Pachihiye(Westran)
(B)According to rules:-Twenty rules were subscribed for an Aggarwal of model character.
(a) Bisa Aggarwal:- . Those who followed all rules were called Bisa Aggarwal.
(b) Dassa Aggarwals:- Followers of Ten rules were called Dassa Aggarwals.
(c) Punja Agrawals:-Those who followed only 5 were called Punja Agrawals.
2) The Agarwal and Jain Community of punjab is migarated from Hindi speaking area mainly Rajasthan and Haryana.
3)Agroha (Hindi Speaking village)is mythological origin(May be right or wrong) of Agarwal during Mahabhartha priod.
4)We are not calling Agarwal or jain community of Neighbouring state of Punjab i.e Jammu and Kashmir and Himachal Pardesh as Kashmiri Bania or Himachali Bania ,Even the word Haryanbi Bania is not used .
5) The Agarwal and Jain Community is also migrated to other part of country but we are not calling them Bengali Bania,Bihari Bania Marathi Bania or Nepali Bania.
6)In hindi speaking area caste system was rigid and only vaish or bania caste people was doing business or Trading in old days but in punjab caste system was not rigid .People of Khatri and Arora caste doing business/trading of punjab.We can call them bussinac community of punjab.For brrowing other state people you can not create new caste system for punjab.
7) In history we never heared the word punjabi Bania.At present we never call the agarwal or jain caste people residing in punjab as Punjabi Bania.
8) If a Khatri , Arora or Jat caste people of punjab migrate to other part of country can we call them Bihari Khatri ,Arora or Jat ,Bengali Khatri , Arora or Jat ,Tamil Khatri / Arora or Jat! Even we can not place Khatri , Arora or Jat in caste system other part of India.(Jat are orignal of inhabitation of Punjab ,haryana ,U.P,Rajasthan, etc.)
9) We can call Agarwal and Jain caste as one of business community peole of Punjab not Punjabi Bania.
10)All over India there is no state or language based division of caste system for agarwal or jain.So, please do not divide Agarwal or jain people in the name of State or Language .
11)In Punjab the caste system is not rigid like other part of india . Khatri , Arora are orignal business community of Punjab.
12)Khatries are premier mercantile communities of Punjab, it is difficut to understand why they are calling them rulers and agriculturalists in Punjabi Bania Article.
13)It is clear that Punjabi Bania article is created to mislead people that Khatries are not mercantile communities of punjab.
14)If someone is intrested to create a new punjabi Vaish community in Punjab then Please inculude Khatri,Arora,kalal,Soni,Agarwal and Jain(oswal etc) etc.OR consult All India Vaish Federation for help.