Three days after being separated from her conjoined sister, Krishna began regaining consciousness and is coming out of her induced coma, doctors said.

“Krishna is opening her eyes and slowly becoming more alert,” a statement issued by the doctors said. Her twin sister Trishna is awake and is talking after a landmark surgery that separated them. “Both the girls are in serious but stable condition,” the statement said.

Doctors are already hailing the marathon operation that separated them as highly successful, but said that Krishna’s recovery will be slower than her sister’s. Trishna is now described by doctors as 100 per cent perfect.

“She is more alert, starting to breathe more and opening her eyes,” the statement said.

Wirginia Maixner, the hospital’s director of neurosurgery, said there may be minor changes to the girls from where their brains were separated but that overall the brains looked good.

Doctors had earlier said there was a 50-50 chance that one of the girls could suffer brain damage from the complicated separation.

The twins will remain in the care of a humanitarian group for at least two years, the organisation’s CEO said on Friday.

The Children First Foundation, which brought Trishna and Krishna to Australia for the surgery, will continue to provide care and support for the twins throughout their recoveries, CEO Margaret Smith said.