Break-up of the Beatles Lennon was in a fragile state of mind after returning from the band's sojourn in India in early 1968 and was disillusioned and resentful that their Transcendental Meditation guru, Maharishi Mahesh Yogi, had not fulfilled Lennon's expectations. Lennon became discontented over his personal identity and his artistic role within the Beatles and entered another period of drug use, which coincided with a deterioration in his marriage and family life. He began to develop an intense interest in the work of Yoko Ono, a Japanese-American conceptual artist whom he had first met at one of her exhibitions in 1966. The pair
Guru Angad and service to Guru Angad. Sikh tradition states that he woke up in the early hours to fetch water for Guru Angad's bath, cleaned and cooked for the volunteers with the Guru, as well devoted much time to meditation and prayers in the morning and evening. Guru Angad named Amar Das as his successor in 1552, instead of naming his surviving son Shri Chand. Guru Angad died on 29 March 1552. Guru Angad is credited in the Sikh tradition with the Gurmukhi script, which is now the standard writing script for Punjabi language in India, in contrast to Punjabi language