Since you have married only recently, and you are not staying with her nor your parents are staying with her, she possibly will not be able to file a criminal complaint of domestic violence or dowry. Advise your parents to not to speak with her or allow her to visit them in your absence. Also, inform the local police in india (under confidence) regarding the threats being meted out to you as regards the suicide.
Try to record the video calls and do not abuse her for anything. Be patient and let her behave as you are telling about. This would help you in future.
It is also advisable to speak with her parents and inform them of her threats and record the conversation just in case they sre also privy to her suicidal threats.
Is your marriage consummated?