Form 26QB query

dhaval khetiya (53 Points)

24 March 2018  
I have purchased property of Rs. 60 lakhs on 07/07/2017 and payment made on installment basis. 

say
1. on 07/07/2017 paid Rs. 5 lakhs.
2. on 08/09/2017 paid Rs. 10 lakhs. 
3. on 12/12/2017 paid Rs. 10 lakhs. 
4. on 01/03/2018 paid Rs. 5 lakhs. and so on... 

I didn't deduct TDS till now. 
I want to deduct TDS in my next installment and installment amount of Rs. 10 lakhs.
My question is

Can I deduct tds on full amount of Rs. 60 lakhs or only Rs. 10 lakhs or Rs. 40 lakhs?

Single Form 26QB can I file?