Take a cheque from him for Rs.2 Lakhs. Are you only helping him out of friendship or is there any interest component to be paid for the amount you are lending? If you are charging interest, then you should be a registered lender and in that case you can take promissory note signed by him. If you are not charging any interest and the transaction by you is only to help your friend, then on a plain paper write everything about the transaction including the cheque No. & the purpose of helping your friend and take his signature