No need to deduct any TDS on rent upto 2.4L u/s 194I. However this section apply only for 1)Company/LLP/Commission agent/Broker Who's turnover more than 1Cr. 2)Resident individual/HUF/Firm carrying bussiness = Turnover >2Cr profession=Turnover>50L
If you fall any of this category u need not to deduct any rent.
For F.Y 2018-19 the limit to deduct TDS was of Rs 180000/- not 2,40000/- . form 1/4/2019 limit has been increase form 180000/- to 240000/- . so rent is what purpose ?.