That could be a great chance for Kremlin critics to call elections unfair and undemocratic.
But Nikolai Konkin, secretary of the Central Elections Commission, said a check of the signatures found more than 80,000 to be invalid. In Russia presidential aspirants not affiliated with political parties must submit 2 million signatures supporting their bid to get on the ballot. Kasyanov's campaign said it turned in 2,067,000 signatures.
The Central Election Commission is expected to make a formal ruling on the issue later in the day.
Mikhail Mikhailovich Kasyanov (born 8 December 1957 ) was the Prime Minister of Russia from January 2000 to February 2004.
In 2006 Kasyanov stated his desire to run for President of Russia in 2008, he was nominated as a candidate in December 2007 and on 16 January 2008 he stated that he had finished collecting the 2 million signatures necessary to run as a candidate.
He is the leader of People's Democratic Union ( Russia ), ex-member of opposition coalition "The Other Russia".
The government of Dmitry Medvedev has resigned. Medvedev failed to meet the requirements of many of Putin's decrees, but Putin takes every effort to make the lives of former governmental officials comfortable