CREATE TABLE table_203_141 (id DECIMAL, "sr. no." DECIMAL, "name" TEXT, "from" TEXT, "till" TEXT, "occupation" TEXT)

who was the director immediately before b. n. yugandhar ?
SELECT "name" FROM table_203_141 WHERE "sr. no." = (SELECT "sr. no." FROM table_203_141 WHERE "name" = 'b.n. yugandhar') + 1
SELECT "name" FROM "table_203_141" WHERE "sr. no." = (SELECT "sr. no." FROM "table_203_141" WHERE "name" = 'b.n. yugandhar') + 1