Residents Welfare Association of ________ Apartment Owners
Model Bye-laws (GHS) haryana 

bye law 7 where an apartment has been allotted in favour of two or more persons jointly,

they may be jointly entitled to the ownership of the apartment and the share of the
Association in such case may be issued in their joint names. However, the person
whose name stands first in the share certificate shall have the right to vote;
Provided that such person, whose name stands first in the share certificate,
may transfer such right of vote to any one of the other joint owners.

http://www.jvmgrr.org/pdf/HRRS%20Act,%202012.pdf

Clear provision in society act that associate member enjoy same rights and liability as of member.

Any one member can contest the same. You need to inform the RWA about the same 

1. The provisions are applicable for the RWA in the form of bye laws.

In general the MCS of Maharashtra is the guideline for all the bye laws across the country, hence it will be applicable to your sector too.

2. You may consult a local; advocate having expertise in this field for further details on this.

for section and other details You can seek phone consultation from any local lawyer on this website. 

1. Election /Voting modalities are NOT covered under the ACT.  All such details are available in the Registered "Bye-Laws", under the Chapter "Election Rules".

Yes this provision also applies as per Haryana registration and regulation of societies act.