The standard collocation is 'congratulate someone on something'.
So, 'congratulate your friend on his grand success' is correct.
Choose the appropriate alternative for the underlined word.
You should at least congratulate your friend for his grand success in the elections.
Held on 23 Jun 2023 · Verified 13 Jul 2026.
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Work through every CUET UG VA PYQ, year by year.