Answer:
सारंगी , इसराज, दिलरुबा, तारशहनाई, सरोद, बांसुरी आदि वाद्य संगत के लिए उपयोग में लाए जाने लगे। आधुनिक काल के आते -आते हारमोनियम, वाइलिन आदि पाश्चात्य वाद्यों का भी प्रयोग शास्त्रीय संगीत में संगत वाद्य के रूप में किया जाने लगा।
Egomania is basically intolerably self-centred. In a more technical sense, it's an obsession -- an obsessive preoccupation with one's own self, usually in the form of following own impulses and have delusions of grandeur.
Megalomania is a rather loose term, and usually means have delusional fantasies of omnipotence (having unlimited or very great power, whatever 'power' might mean to that person). Interestingly, megalomania was the standard term for narcissistic personality disorder before the 1960s (so far as I recall from my psychology degree over 30 years ago).
