The exact name of this tobacco is Jati which is grown in the state of West Bengal, India. After the harvest, it is first sun cured and then air cured. It is generally used as a cigar filler and for chewing purpose.
More info can be found on the CTRI’s (Central Tobacco Research Institute) website https://lnkd.in/dPhMtXq under CIGAR FILLER TOBACCO.