"Investigations are going on and we will have to wait till the investigation are complete and then find out what was the motive and what was the modus operandi," Krishna told reporters in Thimphu.
He said that Madhuri Gupta's arrest prove the 'seriousness' of the issue.
Gupta, an IFS-B officer, who was working as second secretary in the Indian High Commission in Islamabad was called back to India by the Ministry of External Affairs on Friday, Apr 23 on the pretext of preparing for the Saarc summit.
Krishna said that the government will decide the next move once the investigation is complete
"Let's first get through with the investigation that has been initiated.... MHA is doing the investigation. Once we get all the report, what needs to be done will be done by the government of India," he said
On whether the High Commission has been brought under scanner after the incident, he said, "Let's not be judgmental and jump to any conclusion".