To mark Chief Minister Vijay’s birthday, (விஜய் பிறந்தநாளையொட்டி வண்டலூர் உயிரியல் பூங்காவில் இலவச அனுமதி) the public has been allowed free entry to Vandalur Zoo today and tomorrow. However, authorities have clarified that advance booking is mandatory to avail the offer.