India's Foreign Minister Sushma Swaraj said on Wednesday (Nov 16) that she is being treated for kidney failure and undergoing tests for a possible transplant.

Swaraj, tweeted that she was undergoing dialysis at a private hospital in New Delhi.

"I am in All India Institute of Medical Sciences (AIIMS) because of kidney failure. Presently, I am on dialysis. I am undergoing tests for kidney transplant. Lord Krishna will bless." the 64-year-old tweeted from her verified account.

Swaraj is one of India's best-known female politicians and a veteran leader of the ruling Bharatiya Janata Party (BJP).

The Press Trust of India news agency said Ms Swaraj, who suffers from chronic diabetes, had been admitted to AIIMS on Nov 7.

Millions of Indians suffer from kidney disease, mostly because of high rates of diabetes, Reuters said.