did the force consist of only indian army?
It was formed under the mandate of the 1987 Indo-Sri Lankan Accord that aimed to end the Sri Lankan Civil War between Sri Lankan Tamil nationalists such as the Liberation Tigers of Tamil Eelam (LTTE) and the Sri Lankan military.
Indian Peace Keeping Force
Indian Peace Keeping Force (IPKF) was the Indian military contingent performing a peacekeeping operation in Sri Lanka between 1987 and 1990. It was formed under the mandate of the 1987 Indo-Sri Lankan Accord that aimed to end the Sri Lankan Civil War between Sri Lankan Tamil nationalists such as the Liberation Tigers of Tamil Eelam (LTTE) and the Sri Lankan military.
how many tamils are there in sri lanka 70% since how long have they been living here? Sri Lankan Tamils have a very long history in Sri Lanka and have lived on the island since at least around the 2nd century BCE. are they genetically linked to other sri lankans? Yes,  genetic studies indicate that they are closely related to the Sinhalese ethnic group in the island. which religion do they follow? The Sri Lankan Tamils are mostly Hindus with a significant Christian population. was there any militancy related to them? Yes, Liberation Tigers of Tamil Eelam (LTTE) what was its goal? Its aim was to secure an independent state of Tamil Eelam were they declared as a terrorist organization? Yes, 32 countries currently list the LTTE as a terrorist organisation. did they carry out any suicide attacks? Yes, their mission included carrying out suicide attacks against enemy targets. did the assassinate anyone? Yes, Ranasinghe Premadasa, Rajiv Gandhi who was the first person mentioned? Sri Lankan president was he impeached? Yes, He  faced an impeachment in parliament led by his two formidable rivals in the UNP, Lalith Athulathmudali and Gamini Dissanayake. when was he assassinated? May 1, Saturday, 1993. why was the second person mentioned above assassinated? Gandhi was killed because of personal animosity by the LTTE chief Prabhakaran arising from his sending the Indian Peace Keeping Force (IPKF) to Sri Lanka and the alleged IPKF atrocities against Sri Lankan Tamils. why was the force sent there? UNANSWERABLE
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Indian Peace Keeping Force [SEP] Introduction
Indian Peace Keeping Force (IPKF) was the Indian military contingent performing a peacekeeping operation in Sri Lanka between 1987 and 1990. It was formed under the mandate of the 1987 Indo-Sri Lankan Accord that aimed to end the Sri Lankan Civil War between Sri Lankan Tamil nationalists such as the Liberation Tigers of Tamil Eelam (LTTE) and the Sri Lankan military. The main task of the IPKF was to disarm the different militant groups, not just the LTTE. It was to be quickly followed by the formation of an Interim Administrative Council. These were the tasks as per the terms of the Indo-Sri Lankan Accord, signed at the behest of Indian Prime Minister Rajiv Gandhi.