Attempts were being made to destroy the Marathi identity and the unity of the state, which would not be allowed to happen, alleged the party, whose relations with the ruling ally BJP have been strained for a long time.
The Uddhav Thackeray-led party will be staging a grand event in suburban Goregaon tomorrow to celebrate its 50 years of existence.
"Like India, Maharashtra too has its share of problems. What pains us more is that people who call themselves Marathis are the ones who aggravate problems. Maharashtra with Mumbai as its part was formed, thanks to the sacrifice of hundreds of people. King Shivaji's soul would be hurt to see attempts are being made to hand over the control of Mumbai to Delhi," the editorial in the party mouthpiece 'Saamana' said today.
In the recent past, the demand for a separate Vidarbha was raised, notably by the former Advocate General Shrihari Aney, who is supposed to be close to Chief Minister Devendra Fadnavis. Sena is bitterly opposed to the demand.
Tomorrow's event is being seen as bugle for the next year's crucial elections to the Brihanmumbai Municipal Corporation which the party currently controls.