Four others have also been apprehended for allegedly being involved in an assault following a heated argument between two groups at the function last night, a police official said.
"Cross complaints were registered at Manpada Police station by the respective groups involved in the incident," he said.
Shiv Sena corporator in Kalyan Dombivili Municipal Corporation Pramila Patil and her husband Mukesh were present at the function held to celebrate the New Year last night, police said.
"Mukesh was also allegedly beaten up when he went to rescue Meghlal. Fearing for his life, Mukesh opened fire from his licensed revolver creating panic at the function," officials said.
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As per another complaint filled by one Vinod Patil, a supervisor at a construction site, he along with his friends had gone for the programme.
"Meghlal while dancing, allegedly pushed one of Vinod Patil's friend under the influence of liquor. When Vinod and his other friends sought clarification from Sahu for the act, Mukesh allegedly abused, attacked and opened fire at Vinod," they said.