Biological agent such as Spider,Water bug,Frog, Mirid bug,Damsel fly, Dragon fly,Grasshopper,Coccinellids, bracon   ,wasp,Trichogramma,Telenomus etc should be conserved   Release of Trichogramma japonicum or Trichogramma chilonis   @50,000-1,00,000 adult /ha 5 times starting from 30 days after   transplanting for control of stem borers and leaf folders.