गारनाय माइकानि मोनब्रै गुबुन गुबुन नमुनाखौ कदरमा जिललानिफ्राय बुथुमनाय जायो आरो बेयाव नायबिजिरनाय जायो ।
Four different samples of waste mica were collected from Koderma district and analysis of potassium was done in them .