Day 1 should be your transit day to Gangtok, the capital city of Sikkim.
For Gangtok, first you have to reach Siliguri. In my case, I came by road from Guwahati to Siliguri. You can came either by air or by rail. Being at the foothill of Sikkim, Siliguri is well connected by rail or air.
If you are coming by train, you have to get down at New Jalpaiguri and for air, Bagdogra is the nearest airport.
For your information, a new airport is constructed at pakyong and it will be open on 4th October, 2018
Being the capital city, there are numerous hotels and lodges for both shoestring budget Traveller and luxury Traveller. In my case I was staying at hotel Kundau residency at JN Road.
Places to see:
If you reach Gangtok around 1:00 to 2:00 pm, then after checking in to your hotel and having lunch you can opt for the following places to go for a stroll.
1. Ganesh Tok: There is a Ganesh temple on top of a mountain and you can enjoy the birds eye view of Gangtok city.
2. Rumtek Monastery: The monastery is situated a bit far, almost 23 Km from the heart of the state, Gangtok. But it's definitely worth to pay a visit to enjoy the beauty of tibetian culture. On top of that, you can catch some good snaps as well to relish the moment after your trip.
3. Banjhakri Waterfall: It's merely 3 Km from Gangtok. A nice and charming waterfall from almost a height of 70 to 80 feet. Recently the govt. have done some renovation to the park and it is really enjoyable for your kids.
There are many more places to see in and around Gangtok but as the time is restrained, we can't do all in one shot. So, if you got the most precious time you can always sit back and indulge in to the beauty of Sikkim always.
P.S: For your shopping purpose, you can't find a better place than MG Marg. So if you are up for it, always feel free to give it a try.