[1] With her staggering height of 210 cm or 6 ft 10.5in,[2] she has been recognized as one of the most successful shooters of all time and often regarded as the tallest netball player ever.

[3][4][5][6] She was a regular member of the Sri Lanka national team in international netball tournaments since making her debut in 2009.

[15] Tharjini Sivalingam is a Bachelor of Arts graduate as she holds a degree in Economics from the Eastern University in Batticaloa.

[17][18] Shiranthi Rajapaksa, the wife of former Sri Lankan President Mahinda Rajapaksa who attended as a chief guest to watch a domestic netball match in Vavuniya in 2004 had firmly suggested Tharjini to join the national team after being impressed with her performance during the match.

[19] She continued her dream run as she was awarded the title of Best Shooter in the 2011 World Netball Championships for scoring 290 goals in the tournament despite Sri Lanka's first round exit.

[25] After returning to Sri Lankan national netball team for the first time since 2015, she played a key role in winning the 2018 Asian Netball Championships being the unbeaten team in the tournament defeating Singapore 69-50 in the final to make it a fifth Asian Championship title for Sri Lanka and their first title since 2009.

[41] She made a comeback return to the Sri Lankan national team for the 2022 Asian Netball Championships as she previously retired post the 2019 World Cup.