Pakistan's ruling coalition on Sunday finalised the chargesheet against President Pervez Musharraf, said Information Minister Sherry Rehman.
The final round of the consultations of the draft committee was held on Sunday at Rehman's residence in Islamabad.
The draft of the chargesheet will be presented to the leaders of the ruling coalition on Monday, she said.
The impeachment motion against President Musharraf would be tabled in the National Assembly, the lower house of Parliament next week, Rehman said.
Musharraf could resign according to Article 44 of the constitution, she added.
Rehman did not reveal the main points of the chargesheet.
Law Minister Farooq H. Naek and other members of the draft committee were given the task of finalising the chargesheet against the president, Geo TV quoted sources as saying.
Around 20 allegations including gross misconduct and violation of the constitution have been levelled against the president in the chargesheet, the report said.
Musharraf's close aides have already said that he has vowed to fight his impeachment through all legal and constitutional means.
According to media reports, Musharraf is unlikely to use his powers to dissolve the assemblies under article 58 (2b) of the constitution.