Skyscrapers Sudoku (Guest Authors Sudoku #5)

This Puzzle was created by Ritesh Gupta and his brother Hitesh Gupta for Indian Sudoku Mock Tests.
I am re-posting this Skyscrapers Sudoku as the 5th Sudoku in Guest Authors' Sudoku Contribution. Can you solve this Skyscrapers Sudoku puzzle?

Rules of Skyscrapers Sudoku

Fill in the grid such that every row, every column, and every 3X3 box contain the numbers 1 to 9. The numbers outside the grid represent the heights of the skyscrapers seen in the corresponding row or column in the given direction.

Skyscrapers Sudoku (Guest Authors Sudoku #5)

Previous Guest League Sudoku: Product Frame Sudoku (Guest Authors Sudoku #4).