The Prime Minister held the meetings on the sidelines of the annual summit of the Shanghai Cooperation Organisation (SCO) in Uzbekistan capital here.
In the meeting between Modi and President of Belarus Alexander Lukashenko, both leaders reviewed diverse aspects of the bilateral ties and emphasised the need to take relations to new heights.
"During the meeting, the two leaders discussed the anniversary of 25 years of diplomatic relations between India and Belarus focusing on all the different spheres of bilateral ties.
In the meeting between Modi and President of Tajikistan Emomali Rahmon, it was decided to celebrate the 25th anniversary of the establishment of bilateral relations in a manner "befitting" the strong bonds between the two countries.
"They spoke of the intensification of trade and economic linkages, working towards better connectivity between the two countries and of ongoing security cooperation. The yearly celebration of the International Day of Yoga was a special item of discussion," said Swarup.