Why some leaf or sugarcane got dry at early stage.

Sundhi bimari h bhai ye

Naveen Verma please check your soil. There may be the attack of Termites.

Naveen Verma Early shoot borer: Chilo infuscatellus Symptom: Dead heart shows in 1-3 months old crop, which can be easily pulled out. Caterpillar bores into the central shoot and feeds on the internal tissue cause Dead heart. Rotten portion of the straw coloured shoot emits an offensive odour. A number of bore holes at the base of the shoot just above the ground level. Biological method: Apply granulosis virus 1.5 x 13 5 IBS / ha (750 diseased larvae / ha)along with teepol twice on 35 and 50 DAP. Release 125 gravid females of Sturmiopsis inferens a tachinid parasite per ac. Chemical method: Apply any one of the following insecticides if the pest crosses ETL. Carboryl +Sevidol 4% G 12.5 kg, Carbofuron 3G 33 kg (Soil application). The granular application should be immediately followed by irrigation. Chlorpyriphos 1000 ml a sticker like Teepol (250 ml / 500 l of water) can also be added to make the solution stick on to the surface of the crop and it is preferable to use high volume sprayer to be most effective. 

Hi Naveen Verma . It looks like Early Shoot Borer . Click on green link for checking symptoms and taking control measures.

Stempborer attack in sugarcane,

Use coragen