According to reports, if Sena does not accept a BJP CM, Fadnavis may lead a minority government as he had done initially in 2014. Thackeray told legislators that the Sena would not let the BJP approach the governor to stake claim unless a final decision on the post-poll pact was taken.

from Times of India https://timesofindia.indiatimes.com/india/stage-set-for-maharashtra-showdown-as-both-sena-bjp-harden-stand/articleshow/71781176.cms