Why the impact factor or values of Indian journals is not rising? what is the bottleneck?

For example : Impact Factor of IJCB is 0.387 ( started publishing from 1976); http://www.niscair.res.in/sciencecommunication/researchjournals/rejour/ijcb/ijcb0.asp

Journal of Chemical Sciences: IF=1.22

Formerly: Proceedings of the Indian Academy of Sciences (Chemical Sciences) (started in 1934): http://www.ias.ac.in/Journals/Journal_of_Chemical_Sciences/

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