CAREER RELATED QUESTION, PLEASE HELP?

my date of birth is 12 may 1979
i completed my graduation in 2003
i failed 3 times in 10th due to learning martial art not paying attention towards studies
i got selected as medical reprentative in polygard pharma in 2005 but i didn’t like it
my economical condition was not good father got some problems in his service from 1993 to 2005(he is in railways
again i prepared my self for medicals for one year and couldn’t get success, i couldn’t go to any institute for tution
i got selected in MBA in 2007 but my family couldn’t help me for paying the fee over 2 lacks
they had to marry my sister with their little savings
i took admission in ARENA ANIMATION (AAASP course ) for 3 years in 2008 and now it’s 2011
i got married 6 months ago now i have keep sitting all day infront of computer i am tired of this because no time for family no time for wife no secure future
MY SISTER ‘S HUSBANDS ASKS ME TO COME TO BANGLORE AND HE WANTS ME TO GET PREPAERD FOR RAILWAYS EXAMS. i am very serious about my life now what should i do
actually I don’t like this maya 3ds max as because in kolkata there is no good teacher all i have to learn from internet video tutorials.
i keep thinking waht will happen if i don’t get a job what will happen to my wife after i have left this world
guys please show me some way
now i realise i have lost the time
)

How should I complete the remaining income tax related formalities?

I am salaried and TDS is deducted by my employer. However I failed to inform my employer about income through fixed deposit and savings bank interest (which is taxable though not of large amount in my case.) Can anybody please clarify my doubts regarding filing of IT return? So far I had taken help of one expert about this but this time I want to do it myself through e-filing.
1. Can I deposit the extra tax (self-assessment tax) to the government through my internet banking facility of savings bank account?
2. Earlier I failed to take into account correctly a few deductions from income and so some extra tax had been deducted by my employer. Can I now myself correct this and obtain the right amount of tax to be paid and then deposit the same through above procedure?
3. It seems there are two ways of e-filing, one is to follow IT department of govt of India and the other is to use help of some websites. Which one is better for some one like me (without any experience of e-filing)? It is compulsory to print ITR forms in colour printer (my printer is unfortunately black-and-white)? I have asked too many questions and I thank anybody willing to offer a little help.
Further clarification needed!!!
I just checked the form 26AS and was surprised to note that my TDS is not shown. I am sure this had been deducted by my employer; may be they are taking time to put it on the web. But the question is will I be allowed to complete the e-filing process with the current status of 26AS?
I thank Max for his detailed answer.