• Mergers and acquisitions

Assuming all are indian companies
A: Pvt ltd company
B: Pvt ltd company
C : Public listed company
D: Public listed company
Please state me following sec no, IFRS no, rules, applicable to respective companies as per :
Companies act 2013
Takeover code
Delisting
Sebi
FEMA
RBI
Competition act
IFRS
GST
Insolvency and brankrupcy code
1. A Pvt ltd Company buys an Equity investment in B pvt ltd company for investment purpose : Less then 20%, Between 20% to 50% and 50% above- sec applicable to A and B 
2..A Pvt ltd Company buys B pvt ltd company as a part of their core business : Less then 20% / 20% to 50% and 50% stake above- sec applicable to A and B
3.B pvt ltd does slump sale of its business to A pvt ltd – Sec applicable to A and B
4.A pvt ltd does demerger and forms A pvt ltd and B pvt ltd –Sec applicable to A pvt ltd 
5.	A pvt ltd and B pvt ltd forms AB pvt ltd – Section applicable to A pvt ltd
6.	C ltd Company buys an Equity investment in B pvt ltd company for investment purpose : Less then 20%, Between 20% to 50% and 50% above - sec applicable to both
7.	C ltd Company buys B pvt ltd company as a part of their core business : Less then 20%, Between 20% to 50% and 50% above - sec applicable to both
8.	C ltd does demerger and forms C ltd and B pvt ltd –Sec applicable to both 
9.	C ltd and B pvt ltd forms CB pvt ltd – Section applicable to both
10.	C ltd and B pvt ltd forms CB ltd – Section applicable to both
11.	A PVT ltd Company buys an Equity investment in C ltd company for investment purpose : Less then 20%/ 20- 50 and 50% above - sec applicable to both
12.	A PVT ltd Company buys C ltd company as a part of their core business : Less then 20%, Between 20% to 50% and 50% above -sec applicable to both
13.	C ltd does slump sale of its business to A PVT ltd - Section applicable to both
14.	D ltd Company buys an Equity investment in C ltd company for investment purpose : Less then 20%/ 20- 50 and 50% above - sec applicable to D and C
15.	D ltd Company buys C ltd company as a part of their core business : Less then 20%, Between 20% to 50% and 50% above - sec applicable to D and C
16.	C ltd does slump sale of its business to D ltd – Sec applicable to Both
17.	C ltd does demerger and forms D ltd and C ltd –Sec applicable to both 
18.	C ltd and D ltd forms AB ltd – Section applicable to both
Please let me know each and every case and in details as this is really important to me.Thanks.