Pre-monsoon rain in Kolkata Monsoon Update: मानसून जल्द ही कोलकाता पहुंचेगा, अच्छी बारिश की संभावना June 21, 2024 Kolkata rains to pick pace around May 29, isolated showers until then May 21, 2018 Overnight rain, hailstorm lash Kolkata May 5, 2016