Hello Heenal, please check out this official website DMER of govt of maharashtra regarding official notifications: https://www.dmer.org/new/

Also check out this link for detailed info on maharashtra mbbs/bds counselling: https://medicine.careers360.com/articles/maharashtra-mbbs-counselling

Release of second seat allotment should be around July 26 however second round choice filling dates are yet to be notified.