प्रतिष्ठानों का कौन सा समूह मुख्य रूप से वाणिज्यिक ठोस अपशिष्ट उत्पन्न करता 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?