Former Samajwadi Party (SP) leader and Rajya Sabha MP Amar Singh, who was undergoing treatment at a hospital in Singapore for several months, passed away on Saturday. He was admitted in Singapore's Mount Elizabeth Hospital and Medical Centre for treatment of kidney.

He was diagnosed with a kidney ailment a few years back and was undergoing treatment in Singapore.

Singh, 64, was an Indian politician from the state of Uttar Pradesh who was one of the leaders of Samajwadi Party. He was the former general secretary of the Samajwadi Party and was a member of the Rajya Sabha, the upper house of the Indian Parliament.

Earlier in the day, Amar Singh had extended Eid greetings on Twitter and also paid tributes to freedom fighter Bal Gangadhar Tilak on his death anniversary.

Wishing a very joyous Eid Al Adha. Let's celebrate this day by spreading love and happiness. #EidMubarak#EidAladha2020

- Amar Singh (@AmarSinghTweets) August 1, 2020

Amar Singh and the Bachchans were close family friends till they fell apart nearly a decade ago. Earlier this year, he had sent apology video to Bachchan family from Singapore Hospital after Amitabh Bachchan sent a message to him on his father's death anniversary. He posted a video on his Facebook page in which he talked about his friendship with Bachchan and their subsequent differences.