Ladakh reported 11 new Covid-19 cases that pushed the infection tally to 28,429, officials said on Saturday. The Ladakh administration on Friday had ordered a 15-day summer vacation in all government and private schools in Leh district from July 4 amid a spike in Covid-19 cases. The Ladakh Children Festival, scheduled from July 4-16, has also been postponed amid rising cases over the past month, officials said.