Deepika Rasangika has been a member of Sri Lanka Women, Palink School of Cricket and Colts Cricket Club Women. She is a left handed batsman and right arm medium fast bowler as well as an occasional wicketkeeper.
On 2nd May 2008, Deepika Rasangika debuted in ODI cricket and the opponent team was Pakistan Women. The venue of this match was Rangiri Dambulla International Stadium in Dambulla. She was the No. 10 batsman and did not get a chance to bat. Sri Lanka Women won this match by 96 runs. Rasangika also participated in the match against Pakistan Women at Khulna (Khulna Divisional Stadium) on 12th February 2009. She was assigned the No. 4 batting spot where she scored 4 runs after facing 6 deliveries during which he struck 1 boundary. This match was won by Sri Lanka Women by 115 runs.
Deepika Rasangika took part in 6 ODIs and in these collected 27 runs at a batting average of 6.75 and batting strike rate of 58.69. Her highest score was 16 not out. She has struck 4 boundaries and has taken 2 catches.