Chennai: Summer vacations for Indians to exotic destinations have been thrown out of gear as the West Asia conflict and a weakening rupee have made overseas tour packages expensive by about 20%. This has washed away the benefits of a substantial cut in Tax Collected at Source (TCS) announced by the Centre on overseas tour programme packages this year—from 20% and 5% to a mere 2%.Moreover, the ongoing conflict has resulted in a significant drop in the number of international trips between April and June, the period when a large number of Indian families travel due to school summer holidays.Rajiv…