This is the 229th most frequent Marathi word.
बनल
The Marathi word "बनल" means "made" or "created" in English.
The word "बनला" here refers to the completion or creation of the bridge, signifying it has been made.
हा सर्वात सुंदर पूल बनला आहे.
This has become the most beautiful bridge.
In this context, "बनले" is used to signify that the subject transitioned into the role of an author.
हे पुस्तक लिहिण्यासाठी त्यांनी एक प्रचंड प्रयत्न केला आणि लेखक बनले.
They put in a huge effort to write this book and became an author.
Here, "बनवलं" is used to indicate that the subject's efforts resulted in him becoming a doctor.