Your route .
Interlaken — 2 nights stay
Arrive in Zurich airport. Get transferred to your hotel in Interlaken..
Visit Schlosskirche Interlaken.
Visit Casino d'Interlaken.
Train ride to Montreux
Montreux — 2 nights stay
Checkout of your hotel. Take your train from Interlaken to Montreux. Check-in to your new hotel.
Take your flight back to India. Hope you end up with a lot of memories and a few souvenirs too..