How to get divorce

Myself imran khan...meri shadi 15 feb. 2015 main hui...main saudi main job kartha hu...19 july ,2016 ko mere ek ladki hui...ladki hone ke 50 din baad main india aaya...meri biwi mere ghar tho aayi lekin mere se baat band kar di..aur boli ki mughe talak de de...main bola kyu tho boli ki tere sath nahi rahna...tho maine pucha ki ye baccha kyoun paida kiya tho boli ki ye tho mera plan tha..phir do mahine rah kar min chupchap vapas saudi chala gaya...uske ghar wale bole ki ess baar tho chale jao..agli baar thik ho jayegi...phir maine saudi se bahut phone kiye lekin usne baat nahi ki...phir main 3 march 2018 ko india aaya aur uske ghar usko lane gaya tho wo nahi aayi....mere ristedar bahut log waha gaye lekin usne mana kar diya....bad main colony main se pata laga ki uska affair chal raha hai..iske liye wo nahi aa rahi...phir main khamosh ho gaya ..wo do mahine rah kar vapas saudi chala gaya...abhi 15 din pahle ek baar aur mere ristedar uske ghar gaye aur uske father se baat kiye ki bhej do..tho wo meri kamiya batane lag gaye..aur koi nteeza nahi nikla...wo abhi bhi nahi aana chahthi..ab mughe kya arna chahiye...mughe legal advice chahiye...usne mughe watsup par msg kiye hai ki wo mere sath ek din bhi nahi rah sakthi...aur tughe jo karna hai wo kar le...kya watsup msg ki basis par main usse talak de saktha hu...kyoki muslim kanoon main hai ki aur agar talak mange tho mard talak de saky=tha hai...mughe proper advice chahiye kya karna chahiye mughe....thank you