Amount received in bank account in excess of sale consideration

Sale  deed will be registered to sell my house for Rs. 35 lacks. Actual agreed amount is  Rs. 40 lacs that will be online transferred to my bank account partially (35 lacs) from buyers account and 5 lacs from buyer's spouse account. In sale agreement (not registered) sale consideration is mentioned as 40 lacs. Can I  show 40 lacs as sale consideration in my IT return ? Thanks.