Dream11 Fantasy — dream11 claiming that I have multiple accounts for cash bonus

Address:

No.188, BSK 3rd Stage, 3Rd phase, 6th cross, 6th block, Bengaluru-560085, Bangalore, Karnataka, 560085

Dream11's risk team is claiming that i have created multiple accounts for cash bonus. Due to this my request of my winnings of rs200 has been captured by them. If at all i have made any violations why dint they notify me earlier and at the time of retrieving my winnings they are playing such cheap tricks.
My suspect is that i have changed my mobile from google nexus to samsung j7, while copying all my data from former to new mobile i copied dream11 details as well, my be they have mistaken this for a duplicate account.
If at all they are fair enough or prompt they should have blocked my account if i have deviations from their standards, but this dream11 team is just working for money and playing cheap tricks to capture money from innocent people.
I want my winnings back from the team!