• One light year is equal to the distance that light travels in one year (it is about ten trillion kilometers, or six trillion miles).
• A light year is a unit of distance. The distance light travels in one year is known as light year. 
• The light-year is a unit of length used to express astronomical distances and measures about 9.46 trillion kilometres (9.46 x 1012 km) or 5.88 trillion miles (5.88 x 1012 mi)

• On receiving the president record the statements of both complainant and accused constituted an and  complaint - inquiry were rejected .
  

• synonyms for investigate · consider · examine · explore · inspect · interrogate
• Investigate mans: تحقیقات

from is used in sentence

We use from to show the time or point in time when something starts:
For example: Benefited a great deal taking that online training course from.

• divulge is the transitive verb
• its is used to make known (something, such as a confidence or secret)
  

• His hypotheses-bases on the evidence and witnesses

He had heard the story many times and as many times, had felt such melancholy that he thought his eyes would water

اس نے کہانی کئی بار سنی تھی اور جتنی بار، اتنی اداسی محسوس کی تھی کہ اسے لگا کہ اس کی آنکھوں میں پانی آجائے گا۔

Majority of the speakers is in favor of the motion.

• مقررین کی اکثریت تحریک کے حق میں ہے۔
• When collective noun is used as a single group represent a single opinion, decision, or destination then verb used as singular here collective noun  "Majority of  speakers' represent a group having a common goal so it is used as singular not plural

The Government of India Act, 1935 was an Act adapted from the Parliament of the United Kingdom.

It originally received royal assent in August 1935.

It was the longest Act of (British) Parliament ever enacted until Greater London Authority Act 1999 surpassed it.

• Acclaim means: تعریف
  
• Opposite of easily upset or irritated. thick-skinned. affable. calm.
• Offend means: توہین