Answers

OQ #72:

Apologies for the delay, once again :)

1. Hogenakkal Falls (from Kannada Hoge and Kal)

cracked by Ashok and Senthil.

2. HG Wells and Orson Welles, before the latter's radio screening of War of the Worlds.

good answer by Sundaram.

3. Unfortunately nobody got it :(
Answers:

Champagne and Brandy

Popsicle and Ice cream cone

Cornflakes and Chocolate chip cookies

LSD

Jeans

Cellophane

Stainless steel

Vaseline

Teflon

Connect: (lesser known) Accidental inventions.