Wife stop communicating and denies helping financially

Me and wife both are working in IT. We purchased a flat together with a joint loan. Wife is co borrower and contributed 5% at the time of down-payment of house. Ever since i am the only one who is paying all emi's of loan Now my wife is not talking to me since 1 month over a petty fight and when i asked she is denying financial contribution in anything. Not in loan emi nor in household expenses. My whole salary get drained on emi. N wife not trying to resolve fight as well. Also she is claiming that house is her but not willing to financially contribute. She also not do household chores as she is working. Is there away to ask her to pay part of emi as she is also co owner and co loan applicant