Detect mouse click on line renderer

 using UnityEngine;
 using System.Collections;
 using System.Collections.Generic;
 
 [RequireComponent(typeof(LineRenderer))]
 public class LineCollider : MonoBehaviour
 {
     LineRenderer line;
     public void Start() {
         AddCollider(6); //Increase the count of parts(6) if you want to get more detailed collider
     }
     public void AddCollider(int part)
     {
         try
         {
             line = GetComponent<LineRenderer>();
             var start = line.GetPosition(0);
             var end = line.GetPosition(line.positionCount - 1);
             var a = (line.positionCount - 1) / part;
             for (int i = 1; i<=part; i++)
             {
                 if (i == 1)
                     AddColliderToLine(start, line.GetPosition(Mathf.CeilToInt(a * 1)));
                 else if (i == part)
                     AddColliderToLine(line.GetPosition(Mathf.CeilToInt(a * (i - 1))), end);
                 else
                     AddColliderToLine(line.GetPosition(Mathf.CeilToInt(a * (i - 1))), line.GetPosition(Mathf.CeilToInt(a * i)));
             }            
         }
         catch
         {
             Destroy(gameObject);
         }
     }
 
     private void AddColliderToLine(Vector3 start, Vector3 end)
     {
         var startPos = start;
         var endPos = end;
         BoxCollider col = new GameObject("Collider").AddComponent<BoxCollider>();
         col.transform.parent = line.transform;
         float lineLength = Vector3.Distance(startPos, endPos);
         col.size = new Vector3(lineLength, 0.175f, 0.25f);
         Vector3 midPoint = (startPos + endPos) / 2;
         col.transform.position = midPoint;
         float angle = (Mathf.Abs(startPos.y - endPos.y) / Mathf.Abs(startPos.x - endPos.x));
         if ((startPos.y < endPos.y && startPos.x > endPos.x) || (endPos.y < startPos.y && endPos.x > startPos.x))
         {
             angle *= -1;
         }
         angle = Mathf.Rad2Deg * Mathf.Atan(angle);
         col.transform.Rotate(0, 0, angle);
     }
 }

I fixed with this :)