Select the option that expresses the given sentence in passive voice.

Sai Kumari gave Akhila a bouquet of lilies on her birthday.

Akhila was given a bouquet of lilies on her birthday by Sai Kumari.

The correct passive form of the given sentence "Sai Kumari gave Akhila a bouquet of lilies on her birthday" is Akhila was given a bouquet of lilies on her birthday by Sai Kumari.

The other options are incorrect because:

• Akhila was gave a bouquet of lilies on her birthday by Sai Kumari is grammatically incorrect. The verb "gave" is in the past tense, but it is not used correctly in the passive voice.
• Akhila is given a bouquet of lilies on her birthday by Sai Kumari uses the present tense, while the original sentence is in the past tense.
• Akhila gave a bouquet of lilies on her birthday to Sai Kumari is in the active voice, not the passive voice.