In case of South Asia, India has disputes with almost every neighbor which have strained their relationships for years.
Nepal: The tiny mountain state of Nepal has complained of persistent Indian dictation and interference in its internal affairs. That India employs economic blockades and manipulates transit facilities to this landlocked country for arm twisting is no secret.
Bangladesh: Likewise, Bangladesh is locked into an unresolved dispute for the building of the Farakka barrage that deprives Bangladesh of its water share. Despite the gratitude Bangladesh owes to India for having militarily dismembered Pakistan in 1971 to midwife its birth, relations between the two have often sunk to the rock bottom on a host of issues, including border disputes.
Sri Lanka: In Sri Lanka, India overtly and covertly supported the insurgency against the state by a nationalist group, Liberation Tigers of Tamil Eelam (LTTE) in Jaffna - the northern region of this small island state. India's support kept it politically and economically destabilized for decades. In the end, India paid for its interference when its prime minister, Rajiv Gandhi, was assassinated by a Tamil activist for having betrayed the movement.
China: Although not a part of South Asia, China is Indias important neighbor but for decades Sino-Indian relations have remained frosty, at best. They went to war in 1962 over a border dispute. Competing for regional leadership, it antagonizes China by hoisting the Dalai Lama off and on to keep the issue of Tibet alive. Lately, having aligned itself with America to contain China, India is bargaining for a tense Sino-Indian relationship in the years to come.
Pakistan: With Pakistan, India maintains the worst of relations mainly because of Pakistans political and military standing and its ability to reject Indian domination. Outstanding disputes include Kashmir, water distribution, dams that India constructs in violation Indus Water Treaty and border issues. Pakistans dismemberment in 1971 by Indian hands is still fresh. And when India finances, arms and supports insurgency in Balochistan through its consulates along Afghan-Balochistan border and through its RAW agents operating inside Balochistan for the replay of East Pakistan scenario, the images of 1971 war come alive and acrimony between the two countries intensifies.
Afghanistan: By joining the American bandwagon in Afghanistan and positioning its troops in the name of infra structure development, India created enough concerns for Pakistan. But by its collusion with CIA and Mossad to take out Pakistans nuclear assets through subversion in FATA, the NWFP and other areas using the militants of Tehrik-e-Taliban, India is slamming shut the door on the peace process that Pakistan has been persistently trying to keep open ever since 1947. With a history of constant endeavors to balkanize Pakistan, Indian military build up in Afghanistan is seen by Pakistans military as an effort to put it in a nutcracker.
The growing Indian influence in Afghanistan is also a destabilizing factor in the region, as acknowledged even by Gen. McChrystal in his recent report. The make and types of sophisticated weapons and communications equipment, including satellite pictures of troop movements, recovered from the militants provide undeniable evidence of Indian involvement.
Mr. Ehsanullah Aryanzai, advisor to the Afghan Government, has said that India is using Afghan soil to conduct anti-Pakistan activities. The Indian Home Minister Chidambaram admitted that terrorists get support from elements in India for carrying out terror activities (The News, 15 Sep 2009). The executive editor of News Indian Express has acknowledged the evidence of Indian activities in Balochistan in their July 31, 2009 issue. Evidence of this was recently handed over by Pakistani prime minister to his Indian counterpart.
It would be very naive not to see the direction towards which India is headed. Far from becoming the sole ruler of the entire Indian Ocean, India is destabilizing South Asia and working its way towards its own disintegration. This is not only because it is surrounding itself with angry and insecure neighbors.
Why Is South Asia So Tense? India Must Rethink Its Policies Towards Its Neighbors. | Critical Analysis |Axisoflogic.com
yeah as a free & sovereign nation India is also has a right to do what it wants in this case prepare report about sri lankan situation 
