Trekking in the Garhwal Himalayas is both fun and adventure. Thanks to the school in Delhi where I taught for a considerable period of my life, I got opportunities to climb many a peak in the Himalayas along with groups of young students. The best was the Hemkund trek. Hemkund is a glacial lake that lies about 15,000 feet (4572 metres) above sea level in the Himalayas. It’s a Sikh pilgrimage centre dedicated to the tenth Guru, Gobind Singh (1666-1...