Here is the usual/normal salary industry standards which i think is applicable (Ignoring freshers).
Service Companies - #of Years Exp X 1 to 1.5
Offshoring units - #of Years Exp X 1.25 to 1.75 + Bonus
Product Units - #of Years Exp X 1.75 to 2.5 + Equity Options + Bonus
So if you are looking for higher salaries you should move out of Service based companies like Infy/Wipro etc and move into a Prod development companies. There are a lot of startups these days, they offer very competitive salaries, challenging work, good Variable pay options etc. The only catch with Startups are - Bad Worklife balance. If you are used to process oriented jobs like in Infy etc you will find startups chaotic. You might have to step in to help others, learn things yourself. Like they say - "Don many hats"!
Product development companies are the way to go, they have "enough" processes established, better work environment and most of the times you do have challenging work! However, the issue here usually is (well not an issue exactly but something to think about) "Highly Competitive" colleagues. so you might have to prove yourself, which sometimes translates to "Long Hours" etc. Just doing your work well is a norm, you might have to come up with something innovative to stand apart from the crowd! Atleast thats what the Managers expect. Also, unlike service companies there will very less to 0 onsite chances. Late night calls (after 10 until 12-1230) might be common. But Work from Home options, Pay options, Learning options are very good. Ex: Microsoft, Amazon (Work pressure = Yes), Adobe, Akamai etc
Compare the above to Offshoring units. Well, PD companies are also Offshoring units, but the difference is the "kind" of work we get. Ex: JP Morgan, Well Fargo, Fidelity - inshort most of the "Banks". The work is mostly "small" development to mundane maintenance. But you get paid better than Service companies. Consider this as an example, One of the companies which "outsourced" this projects to Infy had a lot of restrictions like - No Camera based cellphones allowed inside the workplaces, No USB drives (all disabled). Whereas the offshoring unit of the same company did not have such restrictions. So, better work enviornment compared to service companies. And ofcourse your resume will be "bolstered" by the Heavy weight company names!
Apart from all these, you need to consider the Pay structure itself. As to what constitutes a 150% hike. Do you see the hike in your monthly salary or at the end of the year? What is the Basic Salary compared to "HRA/DA/Travel Allowence" wtc. Remember, more the Basic, better for you since you have more money inhand and the your PF contributions go up as well. This might not matter when you are 22-27, but once you start looking to "settle" down (you know what i mean!) you start all this, whats my PF, what abt retirement funds etc. And what benefits the company offers like Free Cabs, Freee Food
, Free Health insurance - How much and what about parents/depenedants.