Realizing that Aravind might be hiding something, Vetri confronts his brother, when he and his wife had opted for an artificial insemination using his own sperm.
Aravind might be hiding something. Vetri is realizing this. Vetri confronts his brother. He had opted for an artificial insemination. His wife had opted for an artificial insemination. This artificial insemination was using his own sperm.