The correct option is C Zygote intra fallopian transfer (ZIFT)
The test-tube baby programme employs the technique of in vitro fertilisation (IVF) and zygote intra fallopian transfer (ZIFT) technique. ZIFT is a method used to treat infertility, in which an egg is fertilized in vitro (outside the body) and zygote having upto 8 blastomeres is placed into a woman's fallopian tube (oviduct).