Explanation:

Ans. Boro 

The main rice growing season in the country is the 'Kharif'. It is known as winter rice as per the harvesting time. The sowing time of winter (kharif) rice is June-July and it is harvested in November-December. Winter rice is know as 'Aman' in West Bengal, 'Sali' in Assam, 'Sarrad' in Orissa, 'Agahani' in Bihar and Uttar Pradesh, 'Sarava' in Andhra Pradesh, 'Mundakan' in Kerala and 'Samba/Thaladi' in Tamil Nadu. About 84% of the country's rice crop is grown in this season and generally, medium to long duration varieties are grown in this season.

Summer rice is called as Rabi rice. It is known as 'Boro' in Assam and West Bengal, 'Dalua'in Orissa, 'Dalwa' in Andhra Pradesh, 'Punja' in Kerala and 'Navarai' in Tamil Nadu and 'Garma' in Bihar. The sowing time of summer rice is November to February and harvesting time is March to June. The area under summer rice is only 9% and early maturing varieties are mostly grown in this season.