Tlau, who is chairman of the public sector Zoram Electronics Development Corporation Limited (ZENICS) since 2009 and had unsuccessfully contested the Assembly polls from Hrangturzo seat in 2008, would file his nominations tomorrow, the last day of filing nominations.
Meanwhile, the opposition Mizo National Front (MNF) decided to field its candidate to contest the Rajya Sabha polls and the name of the party candidate would be announced tomorrow after consulting alliance partners of the United Democratic Front (UDF).