Thiruvarur (TN), Apr 25 (ANI): Tamil Nadu Chief Minister Jayalalithaa and DMK supremo M?Karunanidhi filed their nomination papers on Monday. Jayalalithaa filed her nominations from R K Nagar constituency. At present, she is sitting MLA of the constituency. Meanwhile, Karunanidhi filed his nomination from his native Tiruvarur, a constituency he wants to represent for a consecutive term in the 234-member state assembly.