Towards returned amount of 4 lacs, u have proof though NEFT, So if he has mentioned in the complaint that no money return than on this basis his malafied, his complain liable to be dismissed.
He also have to prove source of income from where he has given u money.
1)can he prove in the court that he have given me 12 lakh as principle amount (4 lakhs by online transfer and 8 lakhs by cash) only on the basis of the cheque he have from me ? ---- He has to prove from where he has paid 12 lacs.
2)If i also go against him legally what are my chances to win the case? --- 50 - 50
3)how much time does it takes in mumbai to get the final judgement from court. -- in cheque bounce case, 2 to 3 years at least.
4)If he filed a case against me of cheque bounce under NI act 138 and also fraud and cheating case then will i be get arrested and will i get bail easily or i have to be in jail till the court gives final judgement? ---Bail will grant.
5)if he bring some fake people in court and they say that they have given me amount in cash,will it be admissible in court and how could i counterattack them. -- still he have to prove from where he brought 12 lacs. Source of income.
6)we have never made any agreement or promissory note of amount and interest so will it possible for him to prove in court that he gave me cash on the basis of a cheque. -0 --- there is a presumption in favor of complainant, and onus on you to prove that no such amount given by him.