Meghanatha got epithet "Indrajit" after defeating Indra through illusory power he acquired from Lord Shiva. Indrajit took Indra to Lanka as captive. Brahma confers the name "Indrajit" to Meghanatha and talks a deal to release Indra. This is described in detail in Chapter 29 and Chapter 30 of Uttara Khanda of Ramayana.
When Ravana was ...
On the contrary, Indrajit actually fired the Brahmāstra on Rāma and Lakṣmaṇa in the main war of Rāmāyaṇa.
When both Rāma and Lakṣmaṇa are lying unconscious in the battlefield, this is what Vibhīṣaṇa says:
तस्मै तु दत्तं परमास्त्रमेतत् | त्स्वयम्भुवा ब्राह्मममोघवेगम् |
तन्मानयन्तौ यदि राजपुत्रौ | निपातितौ को अत्र विषादकालः || ६-७४-४
4. etat = ...
To be really honest, it is very broad and long to name all the weapons which Indrajit knows how to use, but I will try to mention some of his most potent skills and powers as mentioned in Valmiki Ramayana. In Yuddhakanda chapter 80,
Indrajit obtains a capacity of going out of sight while fighting, and
he did so during his battle with Rama and Lakshmana.
1 Indrajit (MeghanAda) performed many sacrifices and got powers (boons, weapons, sidhis etc):
English Translation (Source)
O king ;thy son hath met with the fruits of many a sacrifice
Agnistoma, Asvamedha, Bahusuvarnaka. Rajasuya, Gomedha and Vaisnava. And being engaged in this Maheshvara sacrifice, which is incapable of being celebrated by men, thy ...
In this video, Sri Siddesvarananda Bharati Swamy of Sri Siddeswari Pitham at Courtallam explained that the other name of Pratyangira is Nikhumbhila, who was worshipped by Indrajit.
The video is in Telugu.
He explains that sage AngIrasa first got the vision Devi in the form of Pratyangira and had composed mantras, which are embedded in Atharva Veda.
He had ...
As per adhyatma Ramayana by Thunjathu Ezhuthachan in Malayalam, lakshmana killed Indrajith using Aindrasthra, an astra which has Indra as the devata. Before using this astra,he prayed to the lotus feet of Lord Rama. This version of Ramayana has an independent standing and its english translation is available here. As per kamba ramayana, the astra used had a ...