@yourraj, I am having trouble understanding your point. Are you suggesting that a portfolio of all 50 stocks is better than a hand picked 10 stocks? That will be an index portfolio and it will perform like the Nifty 50 index. Purpose of picking 10 out of 50 is to beat the index and earn a higher return.
Here is the portfolio for 2018.
Notes -
Stocks removed
BPCL - Margins might drop with rising oil prices.
Coal India - Employee costs eating into dividends
HDFC - High valuations, NIM squeeze likely as new entrants are targeting HDFC customers.
Maruti - Exit purely on valuations. This may turn out to be premature but can’t hold on at this valuation.
Stocks added-
Aurobindo Pharma - Purely on valuations which are now in line with fundamentals.
Indiabulls Housing - Highest ROE in the home loan industry.
Infosys - Valuations are fair, Demand for IT services should rise driven by cloud and mobile.
UPL - Good execution, vertically integrated operations.
Overall, since consensus is growth and enterprising stocks have outperformed, I am overweight on defensives. Financials like Yes Bank and Indiabulls are well paced to ride the growth in domestic economy while pharma and IT should benefit from growth in world economy and lower rupee (if it drops, which I think it might).