Penalty in White Cash Transaction on sale of the house

Rahul Maheshwari (article) (36 Points)

07 August 2020  
Resected Sir,
I have sold my house. Buyer has paid Rs. 10 lakh in cash and 2 lakh in cheque. Registry value is also Rs. 12 Lakh. Stamp duty paid on Rs. 12 Lakh.

Is there any income tax penalty on Rs. 10 lakh even I show these 10 lakh in my income tax return