You are making me seriously doubt about your knowledge of the region or lack of will of seeking the truth, since any Indian sponsored terrorism does not wake any interest in you as a topic.
But anyway, lets see if this brings you out of your eternal denial and dishonesty...
You ask:
"
Can you name a single suicide bombing in the 70s throughout the 80s? Just one?"
So let me help you with a very simple google search:
Suicide bombings in Sri Lanka
From Wikipedia, the free encyclopedia
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Suicide Bombing was a popular tactic of the
Liberation Tigers of Tamil Eelam . According to Jane's Information Group, between 1980 and 2000,
the LTTE carried out 168 suicide attacks causing heavy damage on civilian, economic and military targets.
[1]
Sources cited are at the end of the article, such as "IISS Armed Conflict Database".
Is that enough, or because it is faaaaaarr more than just one as you asked for, and since done by "kosher Indian sponsored terrorists" and victims were other countries in the region, it can not be qualified as suicide bombings?