SRI based on the following principles
Young seedlings between 8-12 days old (2-3 leaf stages) are transplanted to preserve potential for Tillering amd rooting ability.
Careful planting of single seedlings rather than in clumps that are often plunged in the soil.
Wider spacing at 25cm×25cm in square planting rather than in rows.
Use of cono -weeder /rotary hoe/ power weeder to aerate the soil as well as controlling weeds.
Alternate wetting and dry method rather than continuous flooding in the field.use of organic manure or Vermicompost/FYM.