Greedy wife

Respected members.....my wife left the matrimonial house on her own n she files interim maintainance order which court has passed....now she has filed a written statement where her lawyer has written that she needs family assets and liquid .... They are just trying to extort money from me n family.....I dnt hve any property on my name I jus have my salary and savings ....I will submit my salary slip now.....how can such greedy ppl find ways to extort money and how should I stop them....pls help...I m already paying interim ...