Not a Sikh but I don't believe these are related. As per wikipedia "Langar (Punjabi: ਲੰਗਰ) (kitchen) is the term used in Sikhism for the community kitchen in a

Not a Sikh but I don't believe these are related. As per wikipedia "Langar (Punjabi: ਲੰਗਰ) (kitchen) is the term used in Sikhism for the community kitchen in a Gurdwara where a free meal is served to all the visitors, without distinction of religion, caste, gender, economic status or ethnicity." https://en.wikipedia.org/wiki/Langar_(Sikhism) https://en.wikipedia.org/wiki/Langar_(Sikhism) The assasination of Indira Gandhi was related a separatist movement who wanted Punjab to secede from the rest of India (while Indira Gandhi was Prime Minister)