At their best in March
The months each trek's sources call the best.

Kalsubaiकळसूबाई
Western Ghats · Ahilyanagar

Rajmachiराजमाची
Western Ghats · Pune

David Scott TrailDavid Scott
Northeast · East Khasi Hills

Sandhan Valleyसांदण दरी
Western Ghats · Ahilyanagar

Dayara Bugyalदयारा बुग्याल
Uttarakhand · Uttarkashi

Dzükou ValleyDzükou
Northeast · Kohima

Nongriat root bridgesNongriat
Northeast · East Khasi Hills

Dzongriज़ोंगरी
Sikkim & Darjeeling · West Sikkim

Meesapulimalaമീശപ്പുലിമല
Western Ghats · Idukki

Pangarchullaपंगरचुल्ला
Uttarakhand · Chamoli

Goechalaगोएचा ला
Sikkim & Darjeeling · West Sikkim

Nag Tibbaनाग टिब्बा
Uttarakhand · Tehri

Chopta Chandrashilaचंद्रशिला
Uttarakhand · Rudraprayag

Sandakphuसन्दकफू
Sikkim & Darjeeling · Darjeeling
Also possible in March
Doable, but not the peak season: expect snow, rain or heat, as each trek page explains.

Prashar Lakeपराशर झील
Himachal · Mandi

Harishchandragadहरिश्चंद्रगड
Western Ghats · Ahilyanagar

Kareri Lakeकरेरी झील
Himachal · Kangra

Har Ki Dunहर की दून
Uttarakhand · Uttarkashi

Kheergangaखीरगंगा
Himachal · Kullu

Tadiandamolತಡಿಯಾಂಡಮೋಳ್
Western Ghats · Kodagu

Madmaheshwarमदमहेश्वर
Uttarakhand · Rudraprayag

Kedarkanthaकेदारकांठा
Uttarakhand · Uttarkashi

Brahmatalब्रह्मताल
Uttarakhand · Chamoli

Kuari Passकुआरी पास
Uttarakhand · Chamoli

Doditalडोडीताल
Uttarakhand · Uttarkashi

Pindari Glacierपिंडारी ग्लेशियर
Uttarakhand · Bageshwar

Green Lakeग्रीन लेक
Sikkim & Darjeeling · Mangan