parīkṣā karite - to test; tāṅra - of Śivānanda Sena; yabe - when; icchā - desire; haila - there was; bāhire rahiyā - staying outside; tabe - at that time; vicāra karila - considered.

Desiring to test the authenticity of Nakula Brahmacārī, he stayed outside, thinking as follows.