1. beejaganit   astronomy   algebra   zoology   history   Hint Half-n-half Clue   2. rekhaaganit   algebra   calculus   geometry   geology   Half-n-half Clue   3. khagolvidyaa   astronomy   history   physics   trigonometry   Half-n-half Clue   4. itihaas   history   biology   chemistry   geography   Half-n-half Clue   5. manovigyaan   psychology   algebra   astronomy   botany   Half-n-half Clue   6. jeev - vigyaan   zoology   astronomy   geography   philosophy   Half-n-half Clue   7. bhautik vigyaan   philosophy   algebra   physics   trigonometry   Half-n-half Clue