No one, except for Ajit Pawar himself and those in his innermost circle, can tell for sure why he revolted against his uncle Sharad and joined forces with the BJP at the last minute. In the absence of a definitive reason, political analysts have little option but to fall back on theories. Here are a few:

from Times of India https://timesofindia.indiatimes.com/india/theories-why-nephew-broke-with-uncle/articleshow/72204475.cms