friend, Amar Singh, helped him during the financial crisis caused by the failure of his company, ABCL. Thereafter Bachchan started supporting the Samajwadi Party, the political party to which Amar Singh belonged. Jaya Bachchan joined the Samajwadi Party and represented the party as an MP in the Rajya Sabha. Bachchan appeared in advertisements and political campaigns for the party. His claim that he too was a farmer in the advertisements were questioned in courts. Bachchan has claimed to have been banned by film press during the emergency years for his family's friendship with Indira Gandhi. Bachchan has been accused of using the slogan "blood for blood" in the context of the 1984 anti-Sikh riots. Bachchan has denied the allegation. In October 2014, Bachchan was summoned by a court in Los Angeles for "allegedly instigating violence against the Sikh community". Bachchan in an interview with journalist Arnab Goswami offered to fight the case in court and asked the accusers to file the same as also present proof. He was also one of the trustees of Rajiv Gandhi Foundation. Humanitarian and social causes Bachchan has been involved with many social causes. For example, he donated to clear the debts of nearly 40 beleaguered farmers in Andhra Pradesh and to clear the debts of some 100 Vidarbha farmers. In 2010, he donated to Resul Pookutty's foundation for a medical centre at Kochi, and he has given () to the family of Delhi policeman Subhash Chand Tomar who died after succumbing to injuries during a protest against gang-rape after the 2012 Delhi gang rape case. He founded the Harivansh Rai Bachchan Memorial Trust, named after his father, in 2013. This trust, in association with Urja Foundation, will be powering 3,000 homes in India with electricity through solar energy. In June 2019 he cleared debts of 2100 farmers from Bihar. Bachchan was made a UNICEF goodwill ambassador for the polio Eradication Campaign in India in 2002. In 2013, he and his family donated () to a charitable trust, Plan India, that works for the betterment of young girls in India. He also donated () to the Maharashtra Police Welfare Fund in 2013. Bachchan was the face of the 'Save Our Tigers' campaign that promoted the importance of tiger conservation in India. He supported the campaign by PETA in India to free Sunder, a 14-year-old elephant who was chained and tortured in a temple in Kolhapur,