India known for its versatlity is all-year round country to visit. it has mild winter with pleasent monsoon but hot and dry summers. for october, you can have many places to visit.

North:- Jodhpur, Kota, Chandigarh and Jaisalmer
South;- Mysore, Kodaikanal, Tirupati
Central: Kanha, Ujjain, Mandu
East:- Kolkata, Darjeeling, Bodh Gaya
North-East:- Gangtok, Guwahati
West:- Khandala, Daman, Saputara