CNBC's Inside India newsletter: Gautam Adani's U.S. fraud charges could have wider repercussions for India

This report is from this week's CNBC's "Inside India" newsletter which brings you timely, insightful news and market commentary on the emerging powerhouse and the big businesses behind its meteoric rise. Like what you see? You can subscribe  here.

The head of a $25 billion Indian energy company, the former CEO of a New York-listed energy firm, and one of Asia's wealthiest men were set to meet in New Delhi to discuss business.

To prepare for the meeting, Vneet Jaain, chief executive of Adani Green Energy, photographed a document on his cellphone.

This document, according to the U.S. attorney's office for the Eastern District of New York, summarized the amounts the Indian energy company was owed by Azure Power, previously listed on the NYSE, for bribing Indian government officials.

Jaain's phone and other electronic devices were seized as evidence by U.S. prosecutors in their months-long investigation and included in the indictment on Wednesday in a New York federal court on charges related to a massive bribery and fraud scheme.

The U.S. prosecutors also allege that Gautam Adani, the second most-wealthy Indian man, personally met with Indian government officials to further their "bribery scheme."

They allege that about $265 million in bribes were offered to Indian officials to "motivate" the state-owned electricity distribution companies to purchase solar power from Adani and related companies at above-fair market prices.

The indictment also describes a trail of evidence that Adani and his executives left behind, such as presentation slides and spreadsheets. One document is alleged to reveal $7 million paid to secure a 650 megawatt power purchase agreement and $76 million as bribe for a 2.3 gigawatt contract.

The prosecutors