By Gopal Sharma

KATHMANDU, Oct 4 (Reuters) - Nepal's government alliance prepared on Thursday for last ditch talks to persuade former Maoist rebels to participate in November elections amid fears the vote could be delayed.

The Maoists quit the interim government last month demanding the monarchy's immediate abolition before scheduled Nov. 22 elections for a constituent assembly, a key part of a peace deal last year aimed at ending a decade-long war with the insurgents.

The former rebels also insist on full proportional representation for the elections -- something the government also opposes.

"There is a complete deadlock. I don't see any possibility for a consensus," Maoist spokesman Krishna Bahadur Mahara said.

Maoist party chief Prachanda was due to meet Prime Minister Girija Prasad Koirala and other top leaders from the ruling alliance on Thursday.

The Maoists have vowed to disrupt the polls and launch street protests if the government does not meet their demands.

"The election does not look possible in November as the Maoists are determined to boycott the election without the proportional representation system being accepted by the ruling alliance," said Yubaraj Ghimire, editor of Samay news magazine.

"That is something the Nepali Congress and the prime minister are clearly opposed to," he said referring to the country's biggest political party headed by the premier.

The Maoists earlier agreed that 240 members of the 497-seat assembly would be elected directly by the people and an equal number through the proportional representation. The cabinet would nominate the rest.

The stalemate must be resolved by the end of Thursday as the election commission has given political parties until Friday to submit the list of their candidates for the election.

Media reports said some ambassadors including from the United States and India -- key donors to impoverished Nepal -- had asked the government not to delay the planned election, the first national vote since 1999.

Some analysts say the Maoists, who joined the political mainstream only last year, were afraid of losing the polls and believe the proportional representation system will give them more seats in the assembly.

More than 13,000 people were killed in the Maoist conflict that ended last year when the guerrillas signed a peace deal with the government and deposited their arms in containers under the United Nations monitoring.

AlertNet news is provided by