This question checks the meaning of the word "green" when it is used to describe a person rather than a color. In this sense, "green" refers to someone who is new to a job or task and has not yet built the skill to handle it alone.
The correct option is "Inexperienced", because the doubt about Srikanth handling the job alone points to a lack of experience, not to behavior, jealousy, or indecision.
Let's summarize:
So the option that best expresses the meaning of "green" in this sentence is "Inexperienced".
If the price of a commodity increases by 25%, by what percentage should the consumption be reduced to keep the expenditure the same?