Looks like Tajikistan may not have purchased TB2. This is from an official source:
"Contrary to the source of the information available in the media regarding the purchase of Turkish Bayraktar UAVs by the Tajik side, we report that the Tajik side has not signed a contract with the Bayraktar UAV manufacturer Baykar and other Turkish UAV manufacturers according to the reliable information available. In this context, the information that Turkish Bayraktar UAVs were purchased by the Tajik side has not been confirmed.”
gknb.kg