This is a high yielding variety, released in 2001. It has resistance to rust disease. Maturity period ranges between 125-130 days. Plant height varies from 35-40 cm. Maximum seed yield potential is 2.0 tons/ha (av. 1.8 tons/ha). Seed coat colour is black, which is the characteristic feature of this variety. However, its grain colour is normal, i.e., reddish yellow.

Binamasur-5 is a high yielding and early maturing lentil variety released in 2011. It has been obtained from irradiating the seeds of BARImasur-4 with 200 Gy dose of gamma rays. Maturity period ranges from 99-104 days. Maximum grain yield is about 2.2 t/ha (av. 2.15 t/ha). Seed size is larger than microsperma type of lentil. The optimum time of sowing ranges from October 25-November 10. Seed contains higher crude protein (29-30%). Dal is red color with good cooking quality. The variety is tolerant to blight and rust diseases. This variety is suitable for cultivation in pulse growing areas of Bangladesh.

Binamasur-6 is a high yielding lentil variety released in 2011. It has been obtained from irradiating the seeds of BARImasur-4 with 250 Gy dose of gamma rays. Maturity period ranges from 105-110 days. Maximum grain yield is about 2.0 t/ha (av. 1.95 t/ha). Seed size is larger than microsperma type of lentil. The optimum time of sowing ranges from October 25-November 10. Seed contains higher crude protein (30-31%). Dal is light red color with good cooking quality. The variety is tolerant to blight and rust diseases. This variety is suitable for cultivation in pulse growing areas of Bangladesh.