anti termite treatment in delhi vidhan sabha delhi , supplying chemical emulsion in sealed containers including delivery as specified . chlorpyriphos / lindane emulsifiable concentrate of 20% , diluting and injecting chemical emulsion for post-constructional anti-termite treatment ( excluding the cost of chemical emulsion along the external wall below concrete or masonry apron using chemical emulsion @ 2 . 25 litres per linear metre including drilling and plugging holes etc with chlorpyriphos / lindane e . c . 20% with 1% concentration , treatment at points of contact of wood work by chemical emulsion chlorpyriphos / lindane ( in oil or kerosene based solution ) @ 0 . 5 litres per hole by drilling 6 mm dia holes at downward angle of 45 degree at 150 mm centre to centre and sealing the same . , add cost index @ 15 . 69 as approved by dg ( w ) , less 9 . 5 % as per order no . f8 ( 2 ) / 2007-ac / finance / 01295543 / jsfina / 1376-1499 dated 14 / 05 / 2018 issued from secretary ( finance ) gnctd