The most cost-effective family planning method is-
Vasectomy and IUD are one of the most cost-effective methods of contraception. Most impoant demographic feility indicator is -NRR. To achieve NRR-1, CPR should be >60%, ideal contraception is sterilization .
Vasectomy
Barrier method
DMPA
Oral pills
Census, SRS, NFHS, DLHS, VRS