Select the option that expresses the given sentence in passive voice.
Siddharth is floating a grand plan by next week.

Correct option is B

The correct passive voice of the given sentence is (b) A grand plan is being floated by Siddharth next week.
Definition:
· Active voice: Subject performs the action.
· Passive voice: Subject receives the action.
Rules of Conversion from Active to Passive (Future/Continuous Tense):
Structure:
· Active: Subject + is/are + V1 + ing + object + [future time]
· Passive: Object + is/are + being + V3 + by + subject + [future time]
Explanation:
Active: Siddharth is floating a grand plan (object) by next week.
Passive: A grand plan is being floated by Siddharth by next week.
Only (b) maintains proper structure and tense.
Incorrect Options:
· (a) Passive structure reversed.
· (c) Illogical construction.
· (d) "being floating" – grammatically incorrect (should be “being floated”).