Here are some useful links:
The Central Electoral Commission has an official website in English which has recent and past results and details of electoral law.
The OSCE monitored the elections and found in its preliminary report a 'lack of voter choice' . Its website also has notices and reports relating to earlier observations in the region.
Other organisations with reports on the recent state of democracy in the region include:
United Nations reports on the state of ratification and observations relating to UN documents.
Indeed in its 2015 State of Freedom in the World Report it ranked it as unfree. The full report provides details of the methodology used.
Kazakhstan International Bureau for Human Rights. has English language news and reports relating to government policy and also links to international monitoring reports.
IFEX has recent reports on lack of freedom of expression in the region.
Open Democracy - recent bloggers discussion.
operated by the Eurasia Program of the Open Society Foundations. has commentary and recent news reports.