The Shiv Sena (UBT) is ready to take a step forward or even backward, and there is no political ego in it, party MP Sanjay Raut said on Tuesday amid speculations of party's tie-up with Raj Thackeray's MNS. Sena (UBT) will do whatever possible for benefit of Maharashtra, "Marathi manoos" and to re-ensure their claim on Mumbai, Raut told reporters.