Flash floods in Indian Himalayas: 74 dead, 101 missing.
Glacial lake burst triggers devastating calamity in Sikkim.
Grim challenges for search and rescue operations.
Sikkim, bordering Nepal, Bhutan, and China, faces recurring disasters.
2,000 tourists stranded in northern Sikkim reported safe.
Extreme weather's devastating impact in the Himalayas.
Resilience and support crucial for recovery in Sikkim.