Eight friends namely Prathap, Hirthik, Kathir, Laxman, Niranjan, Ranjan, Jawahar and Farhad were born in different months among January, March, April, July, September and November. Three persons were born in same month. Each of them belongs to different cities like Kolkata, Delhi, Chennai, Goa, Bangalore, Punjab, Hyderabad and Noida. All the above information is not necessarily in the same order.

The one who belongs to Punjab was born in the month having less than 31 days. Kathir belongs to Kolkata. 

Prathap and Niranjan were born in same month. Persons who belong to Goa and Delhi were born in November. Laxman belongs to Bangalore and he was born in the month having 31 days but not in March.

Farhad belongs to Noida and he was born in April. The one who belongs to Kolkata was born in the month having 30 days after July but before November. The one who belongs to Hyderabad was born in month having 31 days before April.

Ranjan was born in July and he belongs to Chennai. Jawahar belongs to Goa and Niranjan doesn’t belong to Delhi.