When there was an incapable government, Indra having been dethroned, & people were being harassed & disturbed by thieves, this child (Krsna) appeared in order to protect the people & enable them to flourish, & He curbed the rogues & thieves - SB 10.8.17

Expressions researched:
"when there was an irregular, incapable government, Indra having been dethroned, and people were being harassed and disturbed by thieves, this child appeared in order to protect the people and enable them to flourish, and He curbed the rogues and thieves"

Srimad-Bhagavatam

SB Canto 10.1 to 10.13

O Nanda Mahārāja, as recorded in history, when there was an irregular, incapable government, Indra having been dethroned, and people were being harassed and disturbed by thieves, this child appeared in order to protect the people and enable them to flourish, and He curbed the rogues and thieves.

SB 10.8.17, Translation and Purport

O Nanda Mahārāja, as recorded in history, when there was an irregular, incapable government, Indra having been dethroned, and people were being harassed and disturbed by thieves, this child appeared in order to protect the people and enable them to flourish, and He curbed the rogues and thieves.

Indra is the king of the universe. Demons, thieves and rogues always disturb Indra (indrāri-vyākulaṁ lokam), but when indrāris, the enemies of Indra, become prominent, Kṛṣṇa appears. Kṛṣṇas tu bhagavān svayaṁ/ indrāri-vyākulaṁ lokaṁ mṛḍayanti yuge yuge (SB 1.3.28).