occurring or existing at the same time

साथ-साथ होना

English Usage: The conference will run concurrent with the festival.

Hindi Usage: सम्मेलन त्योहार के साथ-साथ होगा।

operating or acting together

साथ-साथ कार्य करने वाला

English Usage: She has concurrent responsibilities in both departments.

Hindi Usage: उसके दोनों विभागों में साथ-साथ जिम्मेदारियाँ हैं।

at the same time

साथ-साथ

English Usage: The events occurred concurrently, leading to a chaotic situation.

Hindi Usage: घटनाएँ साथ-साथ हुईं, जिससे एक अराजक स्थिति उत्पन्न हुई।