Earlier, the cricketer-turned-politician had said his government would seek good relations with India and would like leaders of the two countries to sit across the table and resolve all disputes.
Out of 272 seats, elections were held in 270 constituencies as two seats remained uncontested due to multiple reasons.
In other areas, the commission said, "polling staff appeared to be biased toward a certain party", without naming the party.
Numerous leading rival parties here are furious about the election results, but several smaller ones are falling to the side of Khan, who over the years has undergone a complex metamorphosis from celebrity athlete and worldwide ladies' man to strident politician.
Rival parties met last night as part of an alliance called the All Parties Conference where they called out the military for interfering in the polls.
Calls for fresh elections in Pakistan amid rigging claims; US criticizes 'flaws'
The vote was meant to be a rare democratic transition in the Muslim country, which has been ruled by the powerful army for roughly half its history, but was marred by violence and allegations of military interference.
Pakistan Tehreek-i-Insaaf, the party led by Imran Khan who is set to take oath as the country's Prime Minister on August 11, is considering inviting the leaders of the SAARC countries including Indian premier Narendra Modi.
Mr Khan's party has emerged as the single largest party in Pakistan's national assembly after the July 25 general election in the country. Meanwhile, Khan also took his party leaders in confidence about government formation in Khyber-Pakhtunkhwa where the PTI has won a majority of seats and will easily form the government.
The Pakistani electronic media throughout the day yesterday kept on mentioning names of possible candidates for key government offices and possible members of the federal cabinet. The Prime Minister-in-waiting Imran Khan has won five seats and he will have to vacate four. The military needs money and China has provided money and Trump has largely cut them off.
"Remember, they grew up on this narrative of a corrupt Pakistan being damaged and needing a new leadership..."
His tone was so measured that few were familiar with it, at least given his language and mannerism since he refused to accept the 2013 election results, which gave the Nawaz Sharif-led Pakistan Muslim League (PML-N) a huge win. "We want a balanced relation with the US".
Weather Authority: Severe weather possible Wednesday afternoon and evening
Some sunshine is expected early, followed by a cloudier sky and scattered rain and storms in the early afternoon. Ahead of the front highs will top-out in the mid 90s with a gusty southerly wind across parts of western Kansas.