Saving account and credit card doubts

Sir, should I have any income tax problem with the following transaction
1) My friend transfer amount through online to my account and I paid the friend credit card bill.
2) My friend transfer amount through online to my account and I transfer that amount to friend account.
3) My friend transfer amount through online to my account and I debit cash from the bank.
4) My friend deposit cash to my account and I transfer that amount to friend account.