Although Rajani participated in the junior national camp held in Lucknow on three occasions and trained diligently, she was not selected to represent the team. While in Hyderabad for her examinations, she received information regarding open trials for the Senior India camp in Bengaluru. Motivated to pursue the opportunity, she attended the trials and secured selection for the camp, ultimately earning a place in the Indian national squad. She made her international debut in 2009 at a tournament held in New Zealand, competing against the host team. Rajani is one of the few Indian players who was part of the Indian team at the Olympics, World Cup, Commonwealth Games and Asian Games. She took part in the Rio Olympics in 2016 where the team finished 12th. She was part of the Indian team at the XXI Commonwealth Games 2018 at Gold Coast, Australia. She was also part of the Indian team in two World Cups. They are the Vitality Hockey Women's World Cup 2018, London, and BDO FIH World Cup 2010, Rosario, Argentina. The highlight of her career is a silver medal at the 18th Asian Games 2018 in Jakarta, Indonesia. Earlier, she also played at the
2014–15 Women's FIH Hockey World League and the
Hawke's Bay Cup 2015 held in
New Zealand. At the 2013 Women’s Asian Champions Trophy, Rajani Etimarpu showcased outstanding goalkeeping skills, earning the Best Goalkeeper award and helping India claim the silver medal. The team was additionally honored with the Fair Play Award. ==Rajani Leads Indian Women’s Hockey 5s Team to Silver at FIH World Cup 2024==