Hey Arpit,

The oppurtumities in Irrigation and Water Engineering are:

• Water Distribution Network Design Engineer
• Undergraduate Water Engineer 
• Senior Water Structural Engineer
• Agricultural Manager , Agricultural Engineer 
• Lead Drainage Engineer 
• Senior Structural Engineer ( Water Structures )

And the Salary package ranges around 2.4 to 5 LPA

Hope that helps

all the best

Hello

Dear aspirant,
As of now, Average placement in irrigation and water engineering will be minimum Of  33,733 per month in India. 
The demand for this engineer's is increasing every year.

Thanks