At least five Congolese soldiers were also killed in the incident.
The attack has been reportedly carried out by rebels from the anti-government Allied Democratic Forces (ADF) group.
None of the Indian peacekeepers were wounded in the attack, confirmed the Indian Army.
Writing on Twitter, Under-Secretary-General for Peacekeeping Jean-Pierre Lacroix, said that he was "outraged" by the attack and reinforcements had been sent to the scene and medical evacuations were underway.
DR Congo has suffered years of instability with rival groups fighting for control of territory. (ANI)