TDS on Rent of last 4 months

Shiraz Ahmad (51 Points)

12 August 2018  
An Organisation (NGO registered under 12A) paying Rent (for office building) of Rs 1,98,000 (Annual) in 18-19.
The organisation is paying the Rent every month without deduction of TDS.
What shall be done for TDS which was supposed to be deducted from Apr-18 till July-18?