You have to follow-up/beg for payslips, 0 leaves availability or not more than 1 leave.
if you take leave around weekend, they consider weekend also as leaves and have to face LOP.
No last month salary if you are serving NP or asked to resign or released from project.
Delayed salary payment, so that they could generate some interest over it or delay possibly.
Live by exit letter alone and no other letters like Form-16, Payslips, Relieving & experience letter and any other.
Besides, if you ask for salary after moving to another organisation, they will either creates an environment of threatening during a verification process by your next company or;
would try to force the Next-HR to create a bad atmosphere around you to get the pending letters, which Shell Infotech wouldn't want to issue you unless you forget your last salary, or by letting them to give you whenever they wish(1/2/3/4 - years later wish).
Do you want so many struggles after benefiting the company with your work and no letters at End of employment?
Think thrice while picking this Contract Job!!!