But in one bit of good news for caretaker Prime Minister Yingluck Shinawatra, the number of anti-government protesters, who have blocked major Bangkok intersections for weeks, appears to have dwindled. (Agencies)
The Democrats, who boycotted the election, will file two complaints with the Constitutional Court, spokesman Chavanond Intarakomalyasut said.
"The first regards the election directly. We will argue that the election violated the constitution, in particular article 68 which prohibits people from undermining the constitutional monarchy and trying to grab power through unconstitutional means," he said.
"In a separate petition, we will file for the dissolution of (Yingluck's) Puea Thai Party for announcing the state of emergency which meant the election could not be held under normal circumstances."
The government imposed a state of emergency last month to try to control the protests. Among other things, it allows security agencies to impose curfews, declare areas off-limits and detain suspects without charge, but it appears that such measures have not been enforced.
Sunday's election was generally peaceful, with no repeat of the chaos seen the previous day, when supporters and opponents of Yingluck clashed in north Bangkok. Whatever the result, it is unlikely to change the dysfunctional status quo in a country blighted by eight years of polarisation and turmoil.
The commission said it was looking into complaints regarding alleged abuse of authority by the government during the election.
It is due to meet on Wednesday to discuss problems surrounding the election, including the failure to register candidates in 28 electoral districts after protesters blockaded candidate registration centres in December.
But in one bit of good news for caretaker Prime Minister Yingluck Shinawatra, the number of anti-government protesters, who have blocked major Bangkok intersections for weeks, appears to have dwindled.