Day-1 Arrival at Gangtok and Rumtek Visit Arrive Gangtok (5000 + ft asl) by afternoon. Gangtok is capital of Sikkim and a popular tourist destination. Given time visit Rumtek monastery (16th Century and one of the most significant in Sikkim) in the evening.
Day-2 Ex-Gangtok - Tshangu Lake visit and Baba Mandir excursion Here one can either undertake an excursion to Baba Mandir, Tshangu Hig Altitude Lake, Optional - Nathu-la Pass Indo Tibetan Border (closed on Mon, Tue) which offers most scenic beauty but is a bit strenuous and adventurous in terms of drives OR can do a leisurely local visits to Rumtek Monastery (If not visited on day 1), Enchey Monastery, local temples, and view points. Both can take a little more than half a day. Rest of the day one can visit local markets for shopping or just relax.
Day-3 Comprehensive local sightseeing of Gangtok After breakfast do Local Sightseeing like Hanuman Tok, Tashi View Point, Rumtek Monastery (If not visited on day 1), Jhakri Water Fall, Droul Chorthen, Research Institute of Tibetology, Directorate of Handicraft & Handloom, Flower Show etc. Rest of the day one can visit local markets for shopping or just relax).
Day-4 Gangtok - Darjeeling transfer and local Darjeeling sightseeing Proceed to Darjeeling (7000+ ft asl - 98 kms - 3.5 hrs). Darjeeling may feel crowded and cramped but is renowned for its close range Himalayan views (Oct - March) and tea plantations around. Evening one can male a visit to Himalayan Zoological Park & Mountaineering Institute (Closed on Thursday).
Day-5 Ex-Darjeeling - Tiger Hill, Ghoom Monastery and local visits Early morning visit to Tiger Hills to view sunrise over Kanchendzonga Peak (subject to clear weather). On way back visit Ghoom Monastery, Batasia Loop. After breakfast can proceed for local sightseeing like Japanese Temple, Tea Estate etc. Evening explore local markets around Chow rasta (Mall Road).
Day-6 Departure After breakfast, depart for onward journey.
Bagdogra - Bagdogra is visited for being a base point near Siliguri having an Airport from where guests access West Bengal Hills (Darjeeling, Kalimpong, Chalsa, Dooars etc.) and Sikkim (Gangtok, Pelling, North Sikkim etc).
Gangtok - The capital of Sikkim, Gangtok is a popular hill station destination in the East. This small town, lies atop a ridge, at an altitude of 5,000 ft asl and home to some important monasteries. Gangtok is also the access point to visit higher remote areas of North sikkim.
Darjeeling - Darjeeling (About 7000 ft) is a renowned British era hill station and has been visited for many a decades by tourists and is one of the popular tourist destinations. Darjeeling is internationally famous for its tea industry and the Darjeeling Himalayan Railway, a UNESCO World Heritage Site.