Solution:The correct chronological order according to birth is Namdev (1270 CE), Ramananda (1366 CE), Guru Nanak Dev (1469 CE), Chaitanya Mahaprabhu (1486 CE), and Mukund Ram. Namdev was a prominent saint of the Bhakti movement in Maharashtra. Ramananda, a Hindu Vaishnava saint, is credited with spreading the Bhakti movement in North India. Guru Nanak Dev, the founder of Sikhism, was born in 1469. Chaitanya Mahaprabhu, a devotee of Krishna and founder of Gaudiya Vaishnavism, was born in 1486. Mukund Ram's exact date of birth is less known, but he is believed to have been active later than the others.