Whether DTCP approval separately required for regularised plot

I know around Coimbatore people buy unapproved plots aka panchayat approved plots The idea is two fold find another buyer who is ok with

Approval of layouts is issued only by the Town and Country Planning Department Therefore, buyer should insist on approval by DTCP 23)What are the problems

dtcp approved layout list in andhra pradesh SRI SAI LAKSHMI GARDEN- DTCP Approved Premium Gated community @Athipalayam

dtcp certificate download REGULARISATION OF UNAPPROVED PLOTS & LAYOUTS To file the Application, select the appropriate agency CMDA or DTCP in whose jurisdiction the plot or layout