Personal Finance

i have taken money from someone 1 year back through cash mode and gave it to someother person.. now i am asking a little time to settle the amount..but he is refusing and willing to go to police station. and he doesnt have any proof of how much i have taken from him , generally he has a voice conversation that i will repay it back.. and yesterday he and his friend came to work place called me up and threatened me over life and used abusive words. on what basis he can lodge a complaint and what are the proofs he has to show to the police and what should i do. and for using abusive words how can i sue him.. can the police arrest behalfg o him for this case or the money lender has to show proof that i have taken money from him . please suggest.