What is the meaning of Blue Chip Stock?

Kindly send advice me on the below:-
I am trading in shares. Last year i purchased a share at 100 and revalued the same at 80 during the end of the year since we value closing stock at cost or NRV whichever is less. Now if i sale it in current year, what will be the cost of the share Rs. 100 or Rs. 80? Plz reply asap

In privet co. can I convert share application money as loan received..

dear sir,
i'm a salaried person working in a PSU.i have income from trading in derivatives of index and equities.i want to know that which form of itr to be filled.it is legal to show business income when i'm an employee.can i consider it income from investment and show as short term capital gain in itr-2.how to calculate the value under consideration in case of derivatives as contract values are very high.can i use the margin kept as the value for acquisition.
pl.help asap.
thanks

Hi, I formed a private limited company with 20% shares offered to another person as promoter director. Now, this person is not interested to join the company and how can I transfer his shares to somebody else ?? These shares are neither allotted nor paid up yet. We just got the incorporation letter, obtained PAN card and opened a bank account.

Respected Expert team,
i want to know how to calculate market value of MF ? If there is difference in Nav in a year what is meaning of difference?

Can you Please advice the rate of underwriting commission for equity shares and debentures? Is there any maximum limit set by Sebi?

my mother had some SBI shares on her name with nominee as my father. After her death my father wants to transfer them to his Demat account. he has sent many application to the SBI but nothing has happened. these shares are with my father in physical form. till last year he was receiving interest on them but it has stopped now.Can u please guide with the procedure.

Companies are issuing share on its face value. How further price increase of such shares help the companies, and its impact on books of accounts.

Can you expalin what is bullish market and bearish market?? What is stock index and how is it calculated?? what are the causes for fluctuations in index?