Unpaid tds on immovable property

As per section 194 IA of Income tax Act TDS @ 1% is to be deducted on all Property Transactions which are above Rs. 50 Lakhs. It means if you purchase property of more than Rs 50 lakhs then you have to deduct TDS @ 1% on each installment

I. Steps to fill form 26QB :

Log on to TIN NSDL website​ ( www.tin-nsdl.com ).
Under 'TDS on sale of property', click on "Online form for furnishing TDS on property (Form 26QB)".
Select the applicable challan as "TDS on Sale of Property".
Fill the complete form as applicable.
(User should be ready with the following information while filling the form 26QB :

PAN of the seller & buyer
Communication details of seller & buyer
Property details
Amount paid/credited & tax deposit details
Submit the duly filled form to proceed. ​A confirmation screen appears. After confirming, a screen appears showing two buttons as "Print Form 26QB" and "Submit to the bank". A unique acknowledgement number is also displayed on the screen. It is advisable to save this acknowledgment number for future use.
​​Click on "Print Form 26QB" to print the form. Then click on "Submit to the bank" to make the required payment online through internet banking. Then proceed to the payment page through internet banking facility of various banks. For list of authorized banks, please refer https://onlineservices.tin.nsdl.com/etaxnew/Authorizedbanks.H T M L

On successful payment a challan counterfoil will be displayed containing CIN, payment details and bank name through which e-payment has been made. This counterfoil is proof of payment​ being made.
Proceed to TRACES portal( www.tdscpc.gov.in) after 5 days to download Form 16B.
II. Steps to Download Form 16B:

Register & login on TRACES portal ( www.tdscpc.gov.in) as taxpayer using your PAN.
Select "Form 16B (For Buyer)" under "Downloads" menu.
Enter the details pertaining to the property transaction for which Form 16B is to be requested. Enter the Assessment Year, Acknowledgment Number, PAN of Seller and click on "Proceed".
A confirmation screen will appear. Click on "Submit Request" to proceed.
A success message on submission of download request will appear. Please the request number to search for the download request.
Click on "Requested Downloads" to download the requested files.
Search for the request with request number. Select the request row and click on "HTTP download" button.

Thanks sir, but what about late payment & interest. PFA attached file and guide me about interest and penalty.