The Kargil War was a major conflict which took place in 1999 between the two countries, 'X' and Y'. 'Y' retreated on June 14, 1999, due to the attack launched by 'X'. Around 30,000 troops of country 'X' and 5000 troops from country 'Y' were engaged in the conflict. The war ended on July 26, 1999. Identify 'X' and 'Y'.