Steps for flat resale

For selling off my flat, me and my buyer have agreed on some steps for resale process. Please let me know if its correct or not- 1. Buyer to pay token amount 2. Buyer to get his loan sanctioned 3. Buyers bank to make 2 DD one on my bank name for outstanding amount and one on my name. 4. Sale deed to be done and this DD photocopy and number to be mentioned in deed. 5. Once the deed is complete buyer to take the deed and submit to his bank which would release my banks DD. Which I can collect and submit to my bank. 6. My bank to close my loan and provide me with no dues and original paper 7. I take this original paper to buyers bank and collect my DD. Please advise if this is rights. What precautions to be taken to ensure no conflicts at a later stage.