Sayadaw U Rajinda was born on 30 November 1949 in Shwebo District, Myanmar. He became a novice monk (Samanera) at the age of 10 and then a fully ordained monk (Bikkhu) of Theravada Monastic Order at the age of 20.
After receiving the degree, Sasanadhajha Dhamma Cariya in Pali Scriptures in 1983, he taught Buddhist Scriptures for 2 years in Ye-U Town. This religious service was done as his gratitude to his learned teachers from Ye-U.
In 1986, the Sayadaw went to the Main Mahasi Meditation Centre in Yangon to practise Vipassana meditation, strictly following the techniques devised by Mahasi Sayadaw. He then served at the Centre for 2 years in various capacities under the supervision of Sayadaw U Panditabhivamsa.