How can I file for divorce under muslim law

My age 28 yrs wife 20 yrs;no child;married tym 11 month.3 ppl in family myself wife and mom; mom age 55yrs. I don't want to stay with her now. Since 6 months neither wife or her family saying what they want not coming in metting she is staying at her father's place.pls suggest as per Indian n Muslim law Facts She has taken her cloths;footwear;gifted item from Me and mom saying that i want clothes due to her brother marriage ceremony. She is staying in nasik and not replying nothing Qtns 1) how to safe guard me and mom against 498a and dv 2)if she ask for her docs like passport should i give her it's in father's name currently what should i do. 3)I don't want to divorce her bcz of maintenance i don't have that much income.what to do 4) I have send her letter that if no meeting or conversation in 1 month it will be declared khula (Muslim law)from wife side. She will not be in my nikah. Is this letter helpful. 5) my mother already did pc on her mental curelty n dv Pls answer above qts