'my d3.js graph is not fetching the value from csv file

I have made an interactive line chart graph where i am showing about different indian year-wise ministries budget where i have stored my data in csv file which was loaded to the d3.js but on initializing i can only see the axis and not the line . help me to identify the issue. i have tried to change the values and put the names of the columns in the code but it is not working .

Code:https://github.com/keertanbhatt/d3_project



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