i had resign from the job company send me legal notice to pay 37000

I had join the pvt ltd company on 24 april with 1 year bond and they ask for 25k sign checked that i had given and bond has signed with me. now i am unfit due to traveling issue job in all over Maharashtra.. i am ready to do in bond job in that company but company is not ready to take they ask me to pay 37000 rs ( 25000 cheque+ 9500 salary+ there advocate fees 2500) and i had received my salary also with a 1 month 14 day in training period i had resign the job what should i do in this situation i dont have that muc amount also... plz help me and give sone suggestion my 1st job is this after graduation