BJP candidate from Sarojini Nagar seat Swati Singh with her husband Dayashankar Singh on her way to file nomination papers for the 2017 UP elections, on Tuesday in Lucknow The Bahujan Samaj Party is dependent almost entirely on Mayawati to campaign for its candidates for the Assembly polls here. The Samajwadi Party and Congress are keen on using Dimple Yadav and Priyanka Gandhi as their star campaigners.