1) you can file for divorce in jaipur . even if wife applies for transfer court would not agree as she can avail video conferencing facilities
2) case cannot be filed in HC
3) lawyer can take search of court records as to whether any case has been filed in Kota or not
4)install CCTV cameras in your living room of house . record all threats received
5)you can explain the circumstances under which wife got injured mention that it was self inflicted injury by wife
6) go for counselling but take the plea that reconciliation is not possible
7) wife has right to stay in her matrimonial home