Wi-Fi is easily available in most hotels, cafes, and restaurants in Kolkata. Cellular coverage is generally good throughout the city, but it's recommended to check with your service provider for international roaming options. Local SIM cards can be purchased from various mobile stores around the city. The power outlets in Kolkata generally use 220V and 50Hz so make sure to bring appropriate adaptors for your electronics.
For some authentic shopping experiences, head to New Market where you can find a wide array of goods from clothing and accessories to handicrafts and souvenirs. Don't forget to bargain for the best prices. For a glimpse of traditional Bengali handicrafts, visit Dakshinapan Shopping Center. Popular souvenirs to bring back include Bengali cotton sarees, terracotta handicrafts, and conch shell bangles, with estimated costs starting at INR 500 and up.