Swaraj was diagnosed with kidney failure following which she underwent a kidney transplant operation earlier this month. She was, however, discharged later from AIIMS.
According to official sources, Sharif wrote a letter to Swaraj wishing her quick recovery
This comes after prime minister Narendra Modi wished his Pakistani counterpart on his birthday on December 25. Modi wrote on his Twitter account: "Birthday wishes to Pakistan PM Mr. Nawaz Sharif. I pray for his long and healthy life."