Mirroring weakness in the gobal markets the Sensex is likely to open lower this morning. However, if the index is able the hold 10,200 on the downside, the bulls may make desperate attempt to level things up against the bears.On the upside, the index is likely to face resistance around 10,435-10,460-10,490 levels. On the downside, the index may find support around 10,270-10,240-10,215 levels.According to market analyst Shah, the Sensex is likely to move in the range of 10,240-10,450 today. On the positive side, if the index is able to cross 10,450 it may trigger more gains in the short term.