भौतिक अनुसंधान प्रयोगशाला (मुख्य परिसर) निम्नलिखित में से किस स्थान पर स्थित है?

Which of the following territories was annexed by Lord Dalhousie under the pretext of misgovernance, and not directly through the Doctrine of Lapse?

What was the primary stated reason for the Partition of Bengal in 1905 by Lord Curzon?